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Positions Held

·       2013-  Affiliate Full Professor, University of Hawaii at Hilo

·       2013- Professor Emeritus, Carnegie Mellon University

·       2008-2013 Program Scientist, NASA Headquarters, on Leave of Absence from Carnegie Mellon

• 1996- 2013 Professor, Carnegie Mellon University
• 1996 Research Professor, Johns Hopkins University
• 1992- 1996 Associate Research Professor, Johns Hopkins University
• 1983- 1992 Adjunct Associate Professor of Astronomy,  Penn. State University
• 1983-1992 Associate Astronomer, Space Telescope Science Institute, Instrument Scientist for the HST Wide-Field and Planetary Cameras
• 1976-1983 Astrophysicist, Smithsonian Astrophysical Observatory
• 1975-1976 Research Associate, Leicester University, England
• 1973-1975 SERC Post-Doctoral Research Fellow, Leicester University
• 1971-1973 ESA Post-Doctoral Research Fellow, Saclay, France

Education

Imperial College, University of London, B.Sc.(Special) in Physics (Honours), 1968. University of Leicester, Ph.D., X-ray Astronomy, 1972.

Summary of Fellowships, Awards and Major Achievements

·       2004-   Co-I for COSMOS 2-sq. deg. Survey using HST Advanced Camera for Surveys

• P.I. for Hubble Space Telescope (HST) Key Project: Medium Deep Survey, 1990-1998
• Mission Scientist for ESA's X-ray Multi-Mirror Observatory XMM, 1989-2012.
• Co-Investigator for AXAF CCD Imaging Spectrometer, 1988-1996
• P.I. for STScI Director's Research Funding of :
  I-R CCD (KPNO collaboration, 1988-1992)
  CCD Camera (1985-86), Image Stabilizer (UH collaboration, 1983-84),
• Associate Project Scientist for HST WFPC2, 1985-1997
• P.I for Smithsonian and NASA funding of CCD developments for x-rays, 1981-83
• P.I for U.K. S.R.C. Skylark rocket experiments 1972-75
• United Kingdom Science Research Council Post-doctoral Fellowship, 1973-1975
• Post-doctoral ESA Fellowship, 1971-1973
• Associate of the Royal College of Science, 1968
• University of London (undergraduate) Goldsmiths Travel Award, 1966
• Entrance Scholarship to Imperial College of Science and Technology, 1965-1968
• NASA Group Achievement Awards for HEAO-1, HST WFPC2
• Chair or Member of NASA Review Panels for ROSAT and ASCA observations
• Member of ESA's Payload Selection Committee for XMM, 1989
• Member of NASA's AXAF Payload Selection and Review Boards, 1984-86
• Member of NASA's Review Panel for New Mission Concepts in Astrophysics, 1995

Summary of Current and Previous Research

• 2004-   Co-I for the COSMOS survey using the HST ACS , XMM and Chandra
• 1990- 1998 P.I. for the HST Medium-Deep Survey (Key project -- about 200 hours per year observing time). See Current Research Interests, IV.
• 1989-2012  Mission Scientist for ESA's Multi-Mirror X-ray Telescope, XMM.
• 1985- Associate Project Scientist and co-Investigator for HST WFPC2.
• 1983-1992 Associate Astronomer at the STScI: Instrument Scientist for the HST WF/PC and WFPC2 -- research work in this period focused on instrumentation and the contribution to the x-ray background from AGN and star-forming galaxies.
• 1990- P.I. on ROSAT observations of quasar survey fields, in ROSAT Cycles 1 - 5. (collaboration with Boyle, Shanks, Stewart, Georgantopoulos).
• 1993- P.I. for ASCA observations of starburst galaxies, in ASCA Cycles 1 - 3
• 1988- P.I. for STScI funding of a collaborative effort with KPNO for the development of a Cryogenic Optical Bench and infra-red CCD camera - used since 1992 for infrared photometry of Medium-Deep Survey fields This instrument was completed in early summer 1990, (engineering runs completed in Sept 90) and will be used to search for correlation between infra-red emission and the fluctuations in the x-ray background, and also to study starburst galaxies, Seyferts and cooling flows.
• 1985- Adjunct Associate Professor at Pennsylvania State University. Co-Investigator for the CCD Imaging Spectrometer for AXAF.
• 1985 Principal Investigator for STScI funding of a ground-based CCD camera, employing a Tektronix CCD. The CCD camera was returned to Steward Observatory in 1989, in exchange for telescope time for spectroscopy of X-ray selected starburst galaxies, a program initiated in 1990.
• 1983 Principal Investigator for STScI funding of an instrumental upgrade to the University of Hawaii's Image Stabilizing Instrument System (ISIS). Completed and delivered in 1986, the upgraded ISIS resulted in improved resolution. The allotted telescope time was largely used by other STScI investigators.
• 1979-1983 (CfA) Astrophysicist: Coordination of Einstein observatory medium-sensitivity survey and optical identification program, and optical identification of deep-survey X-ray sources (optical spectroscopy using 4m-class telescopes).
  Design, development and operation of CCD camera facility for measurement of CCD response to single-photon X-rays in the 1-6 kev range. First demonstration of the use of CCDs for single-photon X-ray imaging and spectroscopy, and development ofdeep-depletion CCDs for X-ray applications. Supervision and management of engineering and technical support and of software development. P.I. for Smithsonian and NASA funding of CCD program.
• 1976-1978 (CfA) Software development and analysis of data from HEAO-1 large-area sky survey and scanning modulation collimator experiments. Location, optical identification and discovery of the nature of many galactic and extragalactic X-ray sources. Supervision of data aides.
• 1975-1976 (Leicester) Software development and analysis of data from crystal spectrometer/\break polarimeter and sky-survey instruments on Ariel V X-ray astronomy satellite. Consultant to ESA on X-ray spectr-\break -oscopy and polarimetry payload for Spacelab.
• 1972-1975 (Leicester) Principal Investigator on a star-pointing Skylark rocket experiment with paraboloidal mirror and Si (Li) detector, for measurement of interstellar absorption. Analysis of data from Copernicus satellite; design and development of one- dimensional focusing X-ray mirror and position-sensitive proportional detector.
• 1971-1972 (Saclay) Design and development of solid-state Si(Li) detector systems for X-ray astronomy, including cryogenics and electronics.
• 1968-1971 (Leicester) Ph.D work included design, construction and data analysis from rocket experiments in X-ray astronomy. Measurement of crystal X-ray reflection properties; studies of cosmic-ray background rejection techniques; first cosmic X-ray crystal spectrometer, flown twice on Skylark rockets (Search for Fe XXV line emission in Scorpius X-1). Tutorials and laboratory teaching experience.

Main Current and Future Research Interest :

The Evolution of Extragalactic X-ray Sources and their Contributions to the X-ray Background

BIBLIOGRAPHY:

1969 ``Evidence for a Galactic Component of the Diffuse X-Ray Background'', B. A. Cooke, R. E. Griffiths and K. A. Pounds. Nature, 224, 134--137.
1971 ``High Resolution Search for Iron Line Emission from Sco X-1'', R. E. Griffiths, B. A. Cooke and K. A. Pounds. Nature Physical Science, 229, 175--176, Corrigendum, ibid, 231, 136.
1972 ``A Further High-Resolution Search for Fe XXV Line Emission from Scorpius X-1'', R. E. Griffiths. Astronomy and Astrophysics, 21, 97--103.
1972 ``Fluctuations in the X-Ray Intensity of Sco X-1'', R. E. Griffiths and B. A. Cooke Nature Physical Science, 236, 104--106.

1973 ``The Reduction of Cosmic-Ray Induced Background in Proportional Counter Rocket Experiments'', B. A. Cooke, R. E. Griffiths, and A. F. Janes, Nuclear Instruments and Methods, 106, 147--155.

1974 ``Absence of Soft X-Rays from Eta Carinae'', R. E. Griffiths, A. Peacock, and B. E. J. Pagel, Nature, 250, 714--715.

1974 ``X-Ray Observations of the Coma and Virgo Clusters from Copernicus '', R. E. Griffiths, A. Peacock, P. J. N. Davison, F. Rosenberg and N. C. Smart, Nature, 250, 471--472.

1974 ``A Cryogenic Detector for Low-Energy X-Ray Astronomy'', O. A. Testard, J. Leny, J. Leszczyszyn, C. Jehanno, C. Cheron, R. Rothenflug and R. Griffiths, Cryogenics, 4, 509--510.

1975 ``The Application of Si (Li) Detectors to X-Ray Astronomy Rocket Experiments'', R. E. Griffiths, C. Cheron, A. Friant, C. Jehanno, R. Rothenflug and O. Testard, IEEE Transactions on Nuclear Science, NS-22, Number 1, 611--615.

1976 ``An Si(Li) Detector System for an X-Ray Astronomy Rocket Experiment'', R. E. Griffiths and R. Rothenflug, Space Science Instrumentation, 2, 241--242.

1976 ``The Leicester X-Ray Crystal Spectrometer on Ariel V and Some Early Results on Cas A, Tycho and Sco X-1'', R. E. Griffiths, B. A. Cooke, A. Peacock, K. A. Pounds and M. J. Ricketts, MNRAS, 175, 449--460.

1976 ``Observations of the X-Ray Nova A0620-00 with the Ariel V Crystal Spectrometer/\break Polarimeter'', R. E. Griffiths, M. J. Ricketts and B. A. Cooke, MNRAS, 177, 429--440.

1976 ``A European X-Ray Spectroscopy and Polarimetry Payload for Spacelab'', R. D. Andresen, A. Brinkman, K. Beuermann, J. L. Culhane, R. E. Griffiths, V. Manno, R. Rocchia and G. Whitcomb, Space Science Instrumentation, 2, 325--337.

1977 ``Ariel V Sky Survey Instrument: extended observations of 3U0900-40'', M. G. Watson and R. E. Griffiths, MNRAS, 178, 513--524.

1977 ``Optical Identification of the transient X-ray source A1524-61'', P. Murdin, R. E. Griffiths, K. A. Pounds, M. G. Watson and A. J. Longmore, MNRAS, 178, 27p--32p.

1977 ``An Upper Limit to the Linear X-ray Polarization of Sco X-1'', R. A. Gowen, B. A. Cooke, R. E. Griffiths and M. J. Ricketts, MNRAS, 179, 303--310.

1977 ``Observations of the LMC X-ray sources with the Ariel V Sky Survey Instrument'', R. E. Griffiths and F. D. Seward, MNRAS, 180, 75p--79p.

1978 ``The Ariel V (SSI) Catalogue of High Galactic Latitude ($|$bII$| > 10$) X-ray sources'', B. A. Cooke, M. J. Ricketts, T. Maccacaro, J. P. Pye, M. Elvis, M. G. Watson, R. E. Griffiths, K. A. Pounds, I. McHardy, D. Maccagni, F. D. Seward, C. G. Page and M. J. L. Turner, MNRAS, 182, 455--470.

1978 ``Nova Ophiuchi: An X-ray Nova'', R. E. Griffiths, H. Bradt, R. Doxsey, H. Friedman, H. Gursky, M. Johnston, A. Longmore, D. A. Malin, P. Murdin, D. A. Schwartz, and J. Schwarz, ApJL, 221, L63--L67.

1978 ``The X-ray Light Curve of Nova Ophiuchi 1977 (H1705-25)'', M. G. Watson, M. J. Ricketts, and R. E. Griffiths, ApJL, 221, L69--L71.

1978 ``Measurement of X-ray Source Positions by the Scanning Modulation Collimator on HEAO-1'', H. Gursky, H. Bradt, R. Doxsey, D. A. Schwartz, J. Schwarz, R. Dower, G. Fabbiano, R. E. Griffiths, M. Johnston, R Leach, A. Ramsey and G. Spada, ApJ, 223, 973--978.

1978 ``Identification of 4U1651+39 with the BL Lac Object Markarian 501 with the Modulation Collimator on HEAO-1'', D. A. Schwartz, H. V. Bradt, R. E. Doxsey, R. E. Griffiths, H. Gursky, M. D. Johnson, and J. Schwarz, ApJL, 224, L103--L105.

1978 ``Precise Positions and Optical Identifications for the Galactic X-ray Sources 2A1822-371 and 2S1254-690'', R. E. Griffiths, H. Gursky, D. A. Schwartz, J. Schwarz, H. Bradt, R. E. Doxsey, P. A. Charles and J. R. Thorstensen, Nature, 276, 247--249.

1979 ``Location of Recurrent (LMC?) X-ray Transient A0538-66 with the HEAO-1 Scanning Modulation Collimator'', M. D. Johnston, H. V. Bradt, R. E. Doxsey, R. E. Griffiths, D. A. Schwartz and J. Schwarz, ApJL, 230, L11--L14.

1979 ``X-ray Emitting BL Lac Objects Located by the Scanning Modulation Collimator Experiment on HEAO-1'', D. A. Schwartz, R. E. Doxsey, R. E. Griffiths, M. D. Johnston and J. Schwarz, ApJL, 229, L53--L56.

1979 ``Identification of the Variable X-ray Sources GX399-4 and MXB 1659-29 '', R. Doxsey, J. Grindlay, R. E. Griffiths, H. Bradt, M. Johnston, R. Leach, D. Schwartz and J. Schwarz, ApJL, 228, L67--L70.

1979 ``X-ray Observations of High-Excitation Emission-Line Galaxies with the HEAO-1 Scanning Modulation Collimator'', R. E. Griffiths, R. E. Doxsey, M. D. Johnston, D. A. Schwartz, J. Schwarz and J. C. Blades, ApJL, 230, L21--L25.

1979 ``X-ray Locations and Sizes of Clusters of Galaxies Observed with the HEAO-1 Scanning Modulation Collimator'', J. Schwarz, U. Briel, R. E. Doxsey, G. Fabbiano, R. E. Griffiths, M. D. Johnston, D. A. Schwartz, J. D. McKee and R. F. Mushotzky, ApJL, 231, L105--L109.

1979 ``The Optical Identification of 2A 0311-227 with an AM Her-type Object'', R. E. Griffiths, M. J. Ward, J. C. Blades, A. S. Wilson, L. Chaisson and M. D. Johnston, ApJL, 232, L27--L31.

1979 ``Location of Three Stellar X-ray Sources at High Galactic Latitudes with the HEAO-1 Scanning Modulation Collimator'', D. A. Schwartz, H. Bradt, U. Briel, R. E. Doxsey, G. Fabbiano, R. E. Griffiths, M. D. Johnston and B. Margon, AJ, 84, 1560--1565.

1979 ``Observation of Type I Seyfert Galaxies with the HEAO-1 Scanning Modulation Collimator'', R. E. Griffiths, U. Briel, D. A. Schwartz, J. Schwarz, R. E. Doxsey and M. D. Johnston, MNRAS, 188, 813--817.

1979 ``Optical and X-ray Properties of the Newly Discovered BL Lacerta Object PKS2155-304 (=H2155-304)'', R. E. Griffiths, S. Tapia, U. Briel, L. Chaisson, ApJ, 234, 810--817.

1979 ``X-rays from Eta Carinae and the Surrounding Nebula'', F. D. Seward, W. R. Forman, R. Giacconi, R. E. Griffiths, F. R. Harnden, Jr., C. Jones and J. P. Pye, ApJL, 234, L55--L58.

1979 ``A Precise Position and Optical Identification for 4U2129+47: X-ray Heating and a 5.2-Hour Binary Period'', J. Thorstensen, P. Charles, S. Bowyer, U. G. Briel, R. E. Doxsey, R. E. Griffiths and D. A. Schwartz, ApJL, 233, L57--L61.

1980 ``Seyfert Type I Galaxies Observed with the HEAO-1 Scanning Modulation Collimator'', R. G. Dower, R. E. Griffiths, H. V. Bradt, R. E. Doxsey and M. D. Johnston, ApJ, 235, 355--360.

1980 ``Optical Identification of 4U1907+09 Using the HEAO-1 Scanning Modulation Collimator'', D. A. Schwartz, R. E. Griffiths, J. R. Thorstensen, P. A. Charles and S. Bowyer, ApJ, 85, 549--554.

1980 ``Study of the Structure of the Tycho SNR with the HEAO-1 Scanning Modulation Collimator Experiment'', G. Fabbiano, R. E. Doxsey, R. E. Griffiths, and M. D. Johnston, ApJL, 235, L163--L166.

1980 ``Precise Positions and Optical Search for the 38-second X-ray Pulsar Near OAO 1653-40 and Upper Limit on X-ray Emission from V 861 Sco'', J. T. Armstrong, M. Johnston, H. Bradt, A. Cowley, R. Doxsey, R. Griffiths, J. Hesser and D. A. Schwartz, ApJL, 236, L131--L135.

1980 ``HEAO-1 Identification of the X-ray Emitting Poor Cluster of Galaxies AWM 7'', D. A. Schwartz, M. Davis, R. E. Doxsey, R. E. Griffiths, J. Huchra, M. D. Johnston, R. F. Mushotzky, J. Swank and J. Tonry, ApJL, 238, L53--L58.

1980 ``Improved Position and new Optical Candidate for the Recurrent (16d.7) X-ray Transient A0538-66'', M. D. Johnston, R. E. Griffiths and M. J. Ward, Nature, 285, 26--27.

1980 ``Unidentified Galactic X-ray Sources Positioned with the HEAO-1 Scanning Modulation Collimator'', C. Reid, M. Johnston, H. Bradt, R. Doxsey, R. E. Griffiths and D. A. Schwartz, AJ, 85, 1062--1070.

1980 ``The Optical Identification of H2254-033 with a Cataclysmic Variable'', R. E. Griffiths, D. Q. Lamb, M. J. Ward, A. S. Wilson, P. A. Charles, J. Thorstensen, I. M. McHardy, A. Lawrence, MNRAS, 193, 25p--33p.

1981 ``NGC 10683B---A Possible X-ray Emitting Seyfert Galaxy'', A. S. Wilson, K. Wood, M. J. Ward, R. E. Griffiths and R. Mushotzky, AJ, 86, 1289--93.

1982 ``A Medium-sensitivity X-ray Survey Using the Einstein Observatory: The Log N-Log S Relation for Extragalactic X-ray Sources'', T. Maccacaro, E. Feigelson, M. Fener, R. Giacconi, R. Griffiths, S. Murray, G. Zamorani, J. Stocke, J. Liebert, ApJ, 235, 504--509.

1982 ``Discovery of a Narrow Line Quasar'', J. Stocke, J. Liebert, T. Maccacaro, R. E. Griffiths, and J. Steiner, ApJ, 252, 69--74.

1982 ``Discovery of a new BL Lacertae Object (1E1402.3+0416) with the Einstein Observatory'', J. Stocke, J. Liebert, H. Stockman, J. Danziger, J. Lub, T. Maccacaro, R. E. Griffiths and P. Giommi, MNRAS, 200, 27p--32p.

1983 ``The Optical Identification Content of the Einstein Observatory Deep X-ray Survey of a Region in Pavo'', R. E. Griffiths, S. S. Murray, R. Giacconi, J. Bechtold, P. Murdin, M. Smith, E. Wright, M. J. Batty, D. L. Jauncey and D. F. Malin, ApJ, 269, pp. 375--386.

1983 ``The Einstein Observatory Medium-Sensitivity Survey: Optical Identifications for a complete sample of X-ray sources'', J. T Stocke, J. Liebert, I. M. Gioia, R. E. Griffiths, T. Maccacaro, I. J. Danziger, D. Kunth, and J. Lub. 1983, ApJ, 273, 458--477.

1983 ``The Cosmological Evolution and Luminosity Function of X-ray Selected AGN's'', T. Maccacaro, Y. Avni, I. M. Gioia, P. Giommi, R. E. Griffiths, J. Liebert, J. Stocke and J. Danziger, ApJ, 266, L73--L77.

1984 ``X-ray emission from M82'', M. G. Watson, V. Stanger and R. E. Griffiths, ApJ, 286, 144.

1989 ``4U1722+11 : the discovery of an x-ray selected BL Lac object'', R. E. Griffiths, A. S. Wilson, M. J. Ward, S. Tapia and J. S. Ulvestad, MNRAS, 240, p. 33.

1990 ``The X-ray Background from Star-Forming Galaxies'', R. E. Griffiths and P. Padovani, ApJ, 360, 483.

1991 ``Search for Starbursts Among X-ray selected Galaxies: I. Optical Spectroscopy ,'', A. Fruscione and R. Griffiths, ApJ, 380, L13.

1991 ``A Deep ROSAT Observation in a QSO Survey Field ,'', T. Shanks, I. Georgantopoulos, G. C. Stewart, K. A. Pounds, B. J. Boyle, and R. E. Griffiths, Nature, 353, 315

1992 ``AGN and Star-Forming Galaxies Contributing to the Extragalactic X-ray Flux'', Griffiths, R. E., Tuohy, I. R., Brissenden, R. J. V., and Ward, M. J., MNRAS, 255, 545.

1993 ``A Deep ROSAT Survey - I. The QSO X-ray Luminosity Function'', B. J. Boyle, R. E. Griffiths, T. Shanks, G. C. Stewart, and I. Georgantopoulos, MNRAS, 260, 49.

1993 ``A Deep ROSAT Survey - II. Observations of the isotropy of the 1 - 2 keV X-ray Background'', I. Georgantopoulos, G. C. Stewart, T. Shanks, R. E. Griffiths and B. J. Boyle, MNRAS, 262, 619

1993 ``A Deep ROSAT Survey - III. Deep radio observations of a selected field '', Boyle, B. J., Staveley-Smith, L., Stewart, G. C., Georgantopoulos, I., Shanks, T., and Griffiths, R. E., MNRAS, 265, 501

1993 ``Search for Starbursts Among X-ray selected Galaxies: II. Infrared Imaging,'', R. E. Griffiths, A. Fruscione and J. W. MacKenty, Ap. J., to be submitted.

1994 ``A deep ROSAT survey IV: The evolution of X-ray selected QSos'', Boyle, B. J., Shanks, T., Georgantopoulos, I., Stewart, G. C., Griffiths, R. E., MNRAS, 271, 639

1994 ``The Properties of X-ray Selected Active Galactic Nuclei III: The Radio-Quiet vs. Radio-Loud Samples'', R. Della Ceca, G. Zamorani, T. Maccacaro, A. Wolter, R. Griffiths, J. T. Stocke and G. Setti, ApJ, 430, 533

1994 ``The HST Medium-Deep Survey I: Methodology and Results on the Field Near 3C273'', Griffiths, R. E., Ratnatunga, K. U., Neuschaefer, L. W., Im, M., Wyckoff, E., Ellis, R. S., Gilmore, G. F., Elson, R. A. W., Glazebrook, K., Schade, D. J., Windhorst, R. A., Schmidtke, P., Gordon, J., Pascarelle, S. M., Illingworth, G. D., Koo, D. C., Bershady, M. A., Forbes, D. A., Phillips, A. C., Green, R. F., Mader, V., Huchra, J. P., and Tyson, J. A., ApJ, 437, 67

1994 ``The HST Medium Deep Survey: Deconvolution of WFC field galaxy images in the 13h+43deg field,'', Windhorst, R. A., Gordon, J. M., Pascarelle, S. M., Schmidtke, P. C., Griffiths, R. E., Neuschaefer, L. W., Ratnatunga, K. U., Ellis, R. S., Glazebrook, K., Gilmore, G., Green, R. F., Huchra, J. P., Illingworth, G. D., Koo, D. C., Tyson, A. J., AJ, 107, 930

1993 ``AGN and Galaxies in Deep ROSAT Surveys ,'', Griffiths, R. E., Boyle, B. J., Georgantopoulos, I., Shanks, T., and Stewart, G. C., in ``Extragalactic Background Radiations'', , STScI publication.

1994 ``The Morphology of Faint Galaxies in Medium Deep Survey Images using WFPC2'', Griffiths, R. E., Casertano, S., Ratnatunga, K. U., Neuschaefer, L. W., Ellis, R. S., Gilmore, G. F., Glazebrook, K., Santiago, B., Elson, R. A. W., Huchra, J. P., Windhorst, R. A., Pascarelle, S. M., Green R. F., Illingworth, G. D., Koo, D. C., Tyson, A. J., ApJL, 435, L49

1994 ``The Theta-z Relation for HST Bulges and Disks out to z=0.8'', Mutz, S. B., Windhorst, R. A., Schmidtke, P. C., Pascarelle, S. M., Griffiths, R. E., Ratnatunga, K. U., Casertano, S., Im, M., Green R. F., Sarajedini, V., ApJL, 434, L55

1994 ``An Unusual High Redshift Object Discovered with HST: Peculiar Starburst Galaxy or New Gravitational Lens?'', Glazebrook, K., Lehar, J., Ellis, R. S., Aragon-Salamanca, A., and Griffiths, R. E., MNRAS, 270, L63

1994 ``Calibration of the HST Wide Field Camera for Quantitative Analysis of Faint Galaxy Images'', Ratnatunga, K. U., Griffiths, R. E., Casertano, S., Neuschaefer, L. W., and Wyckoff, E. W., A.J., 108, 2362

1994 ``WFPC2 Early Performance On-Orbit,'', Trauger, J. T., Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Evans, R. W., Gallagher, J. S., III, Griffiths, R. E., Hester, J. T., Hoessel, J. G., Holtzman, J. A., Krist, J., Mould, J. R., Scowen, P. A., Stapelfeldt, K. R., Watson, A. M., and Westphal, J. A., ApJL, 435, L3

1994 ``Hubble Space Telescope First Observations of the Brightest Stars in the Virgo Galaxy M100 = NGC 4321'', Freedman, W. L., Madore, B. F., Stetson, P. B., Mould, J. R., Trauger, J. T., Gallagher, J. S., III, Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Ferrarese, L., Ford, H., Graham, J. A., Griffiths, R. E., Hester, J. J., Hill, R., Hoessel, J. G., Huchra, J., Kennicutt, R. C., Scowen, P. A., Sparks, B. Stapelfeldt, K. R., ApJL, 435, L31

1994 ``Far Ultraviolet Imaging of the Globular Cluster NGC 6681 with WFPC2'', Watson, A. M., Mould, J. R., Gallagher, J. S., III, Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Griffiths, R. E., Hester, J. J., Hoessel, J. G., Holtzman, J. A., Scowen, P. A., Stapelfeldt, K. R., Trauger, J. T. Westphal, J. A., ApJL, 435, L55

1994 ``Markarian 315: A Test Case for the Active Galactic Nucleus-Merger Hypothesis'', MacKenty, J. W., Simkin, S. M., Griffiths, R. E., Ulvestad, J. S. Wilson, A. S., ApJ, 435, 71

1995 ``The Performance and Calibration of the HST WFPC2'', Holtzman, J. A., Hester, J. J., Casertano, S., Trauger, J. T., Ballester, G. E., Burrows, C. J., Clarke, J. T., Crisp, D., Gallagher, J. S., III, Griffiths, R. E., Hoessel, J. G., Mould, J. R., Scowen P. A., Stapelfeldt, K. R., Watson, A. W., Westphal, J. A. , Pub. Astr. Soc. Pac., 107, 156

1995 ``WFPC2 imaging of the Circumstellar Nebulosity of HL Tauri'', Stapelfeldt, K., Burrows, C. J., Krist, J., Trauger, J. T., Ballester, G. E., Casertano, S., Clarke, J. T., Crisp, D., Evans, R. W., Gallagher, J. S., III, Griffiths, R. E., Hester, J. J., Hoessel, J. G., Holtzman, J. A., Mould, J. R., Scowen, P. A., Watson, A. M. Westphal, J. A., ApJL, 449, 888

1995 ``WFPC2 Studies of the Crab Nebula: I. HST and ROSAT Imaging of the Synchrotron Nebula'', Hester, J. J., Scowen, P. A., Sankrit, R., Burrows, C. J., Gallagher, J. S., III, Holtzman, J. A., Watson, A., Trauger, J. T., Lynds, R., O'Neil, E. J., Jr., Ballester, G. E., Casertano, S., Clarke, J. T., Crisp, D., Evans, R. W., Griffiths, R. E., Hoessel, J. G., Krist, J., Mould, J. R., Stapelfeldt, K. R. Westphal, J. A. ApJ, 448, 240

1995 ``Identifications of faint radio sources with optically luminous interacting disk galaxies'', Windhorst, R. A., Fomalont, E. B., Kellermann, K. I., Partridge, R.B., Richards, E., Franklin, B. E., Pascarelle, S. M. Griffiths, R. E., Nature, 375, 471

1995 ``A Test of Galaxy Evolutionary Models Via Galaxy Sizes'', Im, M., Casertano, S., Griffiths, R. E. and Ratnatunga, K. U., ApJ, 441, 494

1995 ``Detection, Photometry and Completeness of HST Medium Deep Survey Galaxy Catalogs using FOCAS'', Neuschaefer, L. W., Griffiths, R. E., Ratnatunga, K. U., and Valdes, F., PASP, 107, 590

1995 ``Structure and Photometry of an $I < 20.5$ Galaxy Sample from the HST Medium Deep Survey with WF/PC'', Phillips, A. C., Bershady, M. A., Forbes, D. A., Koo, D. C., Illingworth, G. D., Reitzel, D. B., Griffiths, R. E., and Windhorst, R. A., ApJ, 444, 21

1995 ``The Axis Ratio Distribution of Faint Galaxies: Evidence for a Population of Dwarf Galaxies at $I \sim$ 20.5'', Im, M., Casertano, S., Ratnatunga, K. U. Griffiths, R. E., ApJL, 445, L15

1995 ``Structural Parameters of Faint Galaxies from Pre-refurbishment HST Medium Deep Survey Observations'', Casertano, S., Ratnatunga, K. U., Griffiths, R. E., Neuschaefer, L. W. Windhorst, R. A., ApJ, 453, 599

1995 ``HST Observations of the SN1987A Triple Ring Nebula'', Burrows, J. C., Krist, J., Hester, J. J., Sahai, R., Trauger, J. T., Stapelfeldt, K. R., Gallagher, J. S., III, Ballester, G. E., Casertano, S., Clarke, J. T., Crisp, D., Evans, R. W., Griffiths, R. E., Hoessel, J. G., Holtzman, J. A., Mould, J. R., Scowen, P. A., Watson, A. M., Westphal, J. A., ApJ, 452, 680

1995 ``The Morphological Identification of the Rapidly Evolving Population of Faint Galaxies'', K. Glazebrook, R. S. Ellis, B. Santiago, and R. E. Griffiths, MNRAS, 275, L19

1995 ``The Contribution of Late-type/Irregulars to the Faint Galaxy Counts, as seen in HST Medium Deep Survey Images'', S. P. Driver, R. A. Windhorst R. E. Griffiths, ApJ, 453, 48

1995 `` Galaxy Clustering Statistics from HST Medium Deep Survey WF/PC Images'', Neuschaefer, L. W., Ratnatunga, K. U., Griffiths, R. E., Casertano, S., Im, M., ApJ, 453, 559

1995 ``The Morphological Mix of Field Galaxies to m(I) = 24.25 mag (b $\sim$ 26) from a deep HST WFPC2 Image'', Driver, S. P., Windhorst, R. A., Ostrander, E. J., Keel, W. C., Griffiths, R. E. Ratnatunga, K. U., ApJL, 449, L23

1995 ``New Einstein Cross Gravitational Lens Candidates in HST WFPC2 Survey Images'', Ratnatunga, K. U., Ostrander, E. J., Griffiths, R. E., Im, M., ApJL, 453, L5

1995 ``A deep ROSAT survey -- VI: Active and Passive X-ray Galaxies'', R. E. Griffiths, T. Shanks, B. J. Boyle, G. C. Stewart, I. Georgantopoulos, MNRAS, 275, 77

1995 ``A deep ROSAT survey -- VII: A Faint Galaxy Contribution to the X-ray background'', N. Roche, T. Shanks, I. Georgantopoulos, G. C. Stewart, B. J. Boyle R. E. Griffiths, MNRAS, 273, L15

1995 ``A Deep ROSAT Survey -- VIII: X-ray detection of the Evolved Galaxy Cluster 0055-259'', T. Shanks, N. Roche, O. Almaini, B. J. Boyle, I. Georgantopoulos, G. C. Stewart, R. E. Griffiths, MNRAS, 276, 706

1995 ``On the Cross Correlation Between X-ray and Radio Source Positions in a Deep ROSAT Field'', Boyle, B. J., Staveley-Smith, L., Shanks, T., Georgantopoulos, I., Stewart, G. C. and Griffiths, R. E., Observatory, 115, 10

1995 ``The Discovery of a High Redshift Type 2 QSO'', Almaini, O., Boyle, B. J., Griffiths, R. E., Shanks, T., Stewart, G. C. Georgantopoulos, I., MNRAS, 277, L31

1996 ``A Deep ROSAT Survey -- V: The extragalactic populations at faint fluxes'', Georgantopoulos, I., Stewart, G. C., Shanks, T., Boyle, B. J. and Griffiths, R. E., MNRAS, 280, 276

1996 ``A Deep ROSAT Survey -- X: X-ray Luminous Narrow Emission Line Galaxies'', R. E. Griffiths, R. Della Ceca, I. Georgantopoulos, B. J. Boyle, G. C. Stewart, T. Shanks A. Fruscione, MNRAS, 281, 71

1996 ``A Deep ROSAT Survey XI: Enhanced X-ray Emission from Faint Galaxies'', Roche, N., Griffiths, R. E., Della Ceca, R., Shanks, T., Boyle, B. J., Georgantopoulos, I. Stewart, G. C., MNRAS, 282, 820

1996 ``A Deep ROSAT Survey -- XII: The X-ray Spectra of faint ROSAT sources'', O. Almaini, T. Shanks, B. J. Boyle, R. E. Griffiths, N. Roche, G. C. Stewart I. Georgantopoulos, MNRAS, 282, 295

1996 ``WFPC2 Studies of the Crab Nebula: III. Magnetic Rayleigh-Taylor Instabilities and the Origin of the Filaments'', Hester, J. J., Stone, J. M., Scowen, P. A., Jun, B-I., Gallagher, J. S., III, Norman, M. L., Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Griffiths, R. E., Hoessel, J. G., Holtzman, J. A., Krist, J., Mould, J. R., Sankrit, R., Stapelfeldt, K. R., Trauger, J. T., Watson, A. Westphal, J. A., ApJ, 456, 225

1996 ``Using Oblique Decision Trees for the Morphological Classification of Galaxies'', Owens, E. A., Griffiths, R. E. Ratnatunga, K. U., MNRAS, 281, 153

1996 ``Angular Sizes and Luminosity Evolution of Faint Galaxies'', Roche, N., Ratnatunga, K. U., Griffiths, R. E., Im, M., Neuschaefer, L. W., MNRAS, 282, 1247

1996 ``Weak Gravitational Lensing around Field Galaxies in HST Medium Deep Survey Images'', Griffiths, R. E., Ratnatunga, K. U., Casertano, S., Im, M., MNRAS, 282, 1159

1996 ``The Morphologies of Distant Galaxies: II. Classifications from the HST Medium Deep Survey'', Abraham, R. G., Van Den Bergh, S., Glazebrook, K., Ellis, R. S., Santiago, B. X., Surma, P. Griffiths, R. E, ApJ, 107, 1

1996 ``Luminosity Functions of Elliptical Galaxies at $z < 1.2$'', Im, M., Griffiths, R. E., Ratnatunga, K. U., Sarajedini, V., Green, R. F., ApJL, 461, L91

1996 ``ASCA Observations of Starbursting Dwarf Galaxies: I. NGC 1569'', Della Ceca, R., Griffiths, R. E., Heckman, T. MacKenty, J. W., ApJ, 469, 662

1996 ``Visible and far-ultraviolet WFPC2 Imaging of the Nucleus of the Galaxy NGC 205'', Jones, D. H., Mould, J. R., Watson, A. M., Grillmair, G., Gallagher, J. S., III, Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Griffiths, R. E., Hester, J. J., Hoessel, J. G., Holtzman, J. A., Scowen, P. A., Stapelfeldt, K. R., Trauger, J. T. Westphal, J. A., ApJ, 466, 742

1996 ``Main Sequence Stars and the Star Formation History of the Outer Disk in the Large Magellanic Cloud'', Gallagher, J. S., III, Mould, J. R., de Feiter, E., Holtzman, J., Stappers, B., Watson, A., Trauger, J. T., Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Griffiths, R. E., Hester, J. J., Hoessel, J. G., Krist, J., Matthews, L. D., Scowen, P. A., Stapelfeldt, K. R., Westphal, J. A., ApJ, 466, 732

1996 ``Seyfert Galaxies IV. Nuclear Profiles of Markarian Seyfert Galaxies from Hubble Space Telescope Images'', Nelson, C. H., MacKenty, J. W., Simkin, S. M. Griffiths, R. E, ApJ, 466, 713

1996 ``Time-resolved Observations of Jupiter's Far-Ultraviolet Aurora: Comparison of WFPC2 and IUE'', Ballester, G. E., Clarke, J. T., Trauger, J. T., Harris, W. M., Stapelfeldt, K. R., Crisp, D., Evans, R. W., Burgh, E. W., Burrows, C. J., Casertano, S., Gallagher, J. S., Griffiths, R. E., Hester, J. J., Hoessel, J. G., Holtzman, J. A., Krist, J., Meadows, V., Mould, J. R., Sahai, R., Scowen, P. A., Watson, A. M. Westphal, J. A., Science, in press

1996 ``Discovery of a Young, Luminous Compact Stellar Cluster in the Starburst galaxy NGC 253'', Watson, A. M., Gallagher, J. S., III, Holtzman, J. A., Hester, J., Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Evans, R. W., Griffiths, R. E., Hoessel, J. G., Mould, J. R., Scowen, P. A., Stapelfeldt, K. R., Trauger, J. T. Westphal, J. A., AJ, 112, 534

1996 ``Star Clusters in Interacting and Cooling Flow Galaxies'', Holtzman, J. A., Watson, A. W., Mould, J. R., Gallagher, J. S., III, Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Evans, R. E., Griffiths, R. E., Hester, J. J., Hoessel, J. G., Scowen P. A., Stapelfeldt, K. R., Trauger, J. T., Westphal, J. A. , AJ, 112, 416

1996 ``Detection of the Tip of the Red Giant Branch in NGC5128'', Soria, R., Mould, J. R., Watson, A. M., Gallagher, J. S., Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Griffiths, R. E., Hester, J. J., Hoessel, J. G., Holtzman, J. A., Scowen, P. A., Stapelfeldt, K. R., Trauger, J. T. Westphal, J. A., ApJ, 465, 79

1996 ``Far Ultraviolet Imaging of the Globular Cluster NGC 7099 with the Second Wide-Field and Planetary Camera'', Mould, J. R., Watson, A. M., Gallagher, J. S., III, Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Griffiths, R. E., Hester, J. J., Hoessel, J. G., Holtzman, J. A., Scowen, P. A., Stapelfeldt, K. R., Trauger, J. T. Westphal, J. A., ApJ, 461, 762

1996 ``Hubble Space Telescope Observations of the Disk and Jet of HH30'', Burrows, C. J., Stapelfeldt, K. R., Watson, A. M., Krist, J. E., Ballester, G. E., Clarke, J. T., Crisp, D., Gallagher, J. S. III, Griffiths, R. E., Hester, J. J., Hoessel, J. G., Holtzman, J. A., Mould, J. R., Scowen, P. A., Trauger, J. T. Westphal, J. A., ApJ, 473, 437

1996 ``Compact Nuclei in Moderately Redshifted Galaxies'', Sarajedini, V., Green, R. F., Griffiths, R. E., and Ratnatunga, K. U., ApJL, 471, L15

1996 ``HST Observations of the Cooling Flow Elliptical in Abell 1795'', Pinkney, J., Holtzman, J., Garasi, C., Watson, A. W., Mould, J. R., Gallagher, J. S., III, Ballester, G. E., Burrows, C. J., Casertano, S., Clarke, J. T., Crisp, D., Evans, R. E., Griffiths, R. E., Hester, J. J., Hoessel, J. G., Scowen P. A., Stapelfeldt, K. R., Trauger, J. T., Westphal, J. A. , ApJ, 468, L13

1997 ``A Measurement of the Cosmological Constant Using Elliptical Galaxies as Strong Gravitational Lenses'', Im, M., Griffiths, R. E. Ratnatunga, K. U., ApJL, in press

1997 ``Angular Sizes of the Faint Blue Galaxies'', Roche, N., Ratnatunga, K. U., Griffiths, R. E., Im, M., Neuschaefer, L. W., MNRAS, in press

1997 ``Evidence for Galaxy Interactions and Mergers from Medium Deep Survey WFPC2 data'', Neuschaefer, L. W., Im, M., Ratnatunga, K. U., Griffiths, R. E. Casertano, S., ApJ, in press

1997 ``Quantitative Morphology of Moderate Redshift Galaxies: how many Peculiars are there?'', Naim, A., Ratnatunga, K. U. Griffiths, R. E., ApJ, in press 1997 ``Morphology without Classification: Mapping the Evolution of Galaxies'', Naim, A., Ratnatunga, K. U. Griffiths, R. E., ApJSupp, in press

1997 “Angular Sizes of the Faint Blue Galaxies”, Roche, N., Ratnatunga, K. U., Griffiths,

R. E., Im, M., & Neuschaefer, L. W., MNRAS, 288, 200

1997 “Evidence for Galaxy Interactions and Mergers from Medium Deep Survey WFPC2

data”, Neuschaefer, L. W., Im, M., Ratnatunga, K. U., Griffiths, R. E. &

Casertano, S., ApJ, 480, 59

1997 “A Measurement of the Cosmological Constant Using Elliptical Galaxies as Strong

Gravitational Lenses”, Im, M., Griffiths, R. E., & Ratnatunga, K. U., ApJ, 475,

457

1997 “Quantitative Morphology of Moderate Redshift Galaxies: how many Peculiars are

there?”, Naim, A., Ratnatunga, K. U. & Griffiths, R. E., ApJ, 476, 510

1997 “Morphology without Classification: Self Organizing Maps”, Naim, A., Ratnatunga,

K. U. & Griffiths, R. E., ApJ Supp., 111, 357

1997 “HST WFPC2 Images of Emission Nebulosity Near XZ Tauri”, Krist, J. E., Burrows,

C. J., Stapelfeldt, K. R., Ballester, G. E., Clarke, J. T., Crisp, D., Evans, R. W.,

Gallagher, J. S. III, Griffiths, R. E., Hester, J. J., Holtzmann, J. A., Hoessel, J.

T., Watson, A. M. & Westphal, J. A., ApJ, 481, 447

1997 “Far-ultraviolet imaging of the Large Magellanic Cloud populous cluster NGC 1978

with WFPC2”, Cole, A.A., Mould, J.R., Gallagher, J.S., III, Clarke, J.T., Trauger,

J.T., Ballester, G.E., Burrows, C.J., Casertano, S., Crisp, D., Griffiths, R.E.,

Hester, J.J., Hoessel J.G., Holtzman, J.A., Scowen, P.A., Stapelfeldt, K.R. &

Westphal, J.A., AJ, 114, 1945

1997 “ASCA observations of deep ROSAT fields - I. The nature of the X-ray source

populations”, Georgantopoulos, I., Stewart, G.C., Blair, A.J., Shanks, T.,Griffiths,

R.E., Boyle, B.J., Almaini, O., Roche, N. MNRAS, 291, 203

1997 “Starbust-driven Outflows in Low-Luminosity Galaxies: ASCA and ROSAT Observations

of NGC 4449”, Della Ceca, R., Griffiths, R.E. & Heckmn, T.M. ApJ, 485, 581

1997 “The Star-Formation History in the Vicinity of NGC 1866 in the Large Magellanic

Cloud”, Stappers, B.W., Mould, J.R., Sebo, K.M., Holtzman, J.A., Gallagher, J.S.,

III, Watson, A.M., Ballester, G.E., Burrows, C.J., Casertano, S., Clarke, J.T.,

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K.R., Trauger, J.T., Westphal, J.A., Publ. Astro. Soc. Pac., 109, 292

1998 “Hubble Space Telescope Imaging of the Circumstellar Nebulosity of T Tauri”,

Stapelfeldt, K. R., Burrows, C. J., Krist, J. E., Watson, A. M., Ballester, G.

E., Clarke, J. T., Crisp, D., Evans, R. W., Gallagher, J. S., III, Griffiths, R.

E., Hester, J. J., Hoessel, J. G., Holtzman, J. A., Mould, J. R., Scowen, P. A.,

Trauger, J. T., Westphal, J. A., ApJ, 508, 736

1998 “The Hubble Space Telescope Medium Deep Survey Cluster Sample: Methodology and

Data”, Ostrander, E. J., Nichol, R. C., Ratnatunga, K. U., Griffiths, R. E., AJ,

116, 2644

1998 “Saturn’s Hydrogen Aurora: Wide Field and Planetary Camera 2 Imaging from the

Hubble Space Telescope”, Trauger, J. T., Clarke, J. T., Ballester, G. E., Evans, R.

W., Burrows, C. J., Crisp, D., Gallagher, J. S., III, Griffiths, R. E., Hester, J.

J., Hoessel, J. G., Holtzmann, J. A., Krist, J. E., Mould, J. R., Sahai, R., Scowen,

P. A., Stapelfeldt, K. R., Watson, A. M., Journal of Geophysical Research, 1032,

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1998 “Far Ultraviolet and Visible Imaging of the Nucleus of M32”, Cole, A. A., Gallagher,

J. S., III, Mould, J. R., Clarke, J. T., Trauger, J. T., Watson, A. M., Ballester,

G. E., Burrows, C. J., Casertano, S, Crisp, D., Griffiths, R. E., Grillmair, C. J.,

Hester, J. J., Hoessel, J. G., Holtzman, J. A., Scowen, P. A., Stapelfeldt, K. R.,

Westphal, J. R., ApJ, 505, 230

1998 “WFPC2 Studies of the Crab Nebula. II. Ionization Structure of the Crab Filaments,

Sankrit, R., Hester, J. J., Scowen, P. A., Ballester, G. E., Burrows, C. J., Clarke,

J. T., Crisp, D., Evans, R. W., Gallagher, J. S., III, Griffiths, R. E., Hoessel,

J. G., Holtzman, J. A., Krist, J., Mould, J. R., Stapelfeldt, K. R., Trauger, J. T.,

Watson, A., Westphal, J. A., AJ, 504, 344

1998 “The Physical Parameters of the Evolving Population of Faint Galaxies”, Glazebrook,

K., Abraham, R., Santiago, B., Ellis, R., Griffiths, R. E., MNRAS, 297, 885

1998 “Hubble Space Telescope WFPC2 Imaging of FS Tauri and Haro 6-5B”, Krist, J.

E., Stapelfeldt, K. R., Burrows, C. J., Ballester, G. E., Clarke, J. T., Crisp, D.,

Evans, R. W., Gallagher, J. S., III, Griffiths, R. E., Hester, J. J., Hoessel, J.

G., Holtzman, J. A., Mould, J. R., Scowen, P. A., Trauger, J. T., Watson, A. M.,

Westphal, J. A., ApJ, 501, 841

1998 “Ionization Structure in the 30 Doradus Nebula as Seen with Hubble Space Telescope

Wide Field Planetary Camera 2”, Scowen, P. A., Hester, J. J., Sankrit R, Gallagher,

J. S., Ballester, G. E., Burrows, C. J., Clarke, J. T., Crisp, D., Evans, R. W.,

Griffiths, R. E., Hoessel, J. G., Holtzman, J. A., Krist, J., Mould, J. R.,

Stapelfeldt, K. R., Trauger, J. T., Watson, A. M., Westphal, J. A., AJ, 116, 163

1998 “Deep Optical Imaging of the Bright Seyfert Galaxy NGC 5548: A Long, Very Low

Surface Brightness Tail”, Tyson, J. A., Fischer, P., Guhathakurta, P., McIlroy, P.,

Wenk, R., Huchra, J., Macri, L., Neuschaefer, L., Sarajedini, V., Glazebrook, K.,

Ratnatunga, K. and Griffiths, R. E., AJ, 116, 102

1998 “Deep Hubble Space Telescope Observations of Star Clusters in NGC 1275”, Carlson,

M. N., Holtzman, J. A., Watson, A. M., Grillmair, C. J., Mould, J. R., Ballester,

G. E., Burrows, C. J., Clarke, J. T., Crisp, D., Evans, R. W., Gallagher, J. S., III,

Griffiths, R. E., Hester, J. J., Hoessel, J. G., Scowen, P. A., Stapelfeldt, K. R.,

Trauger, J. T., Westphal, J. A., AJ, 115, 1778

1998 “Stellar Populations in Three Outer Fields of the Large Magellanic Cloud”, Geha,

M. C., Holtzman, J. A., Mould, J. R., Gallagher, J. S., III, Watson, A. M., Cole,

A. A., Grillmair, C. J., Stapelfeldt, K. R., Ballester, G. E., Burrows, C. J., Clarke,

J. T., Crisp, D., Evans, R. W., Griffiths, R. E., Hester, J. J., Scowen, P. A.,

Trauger, J. T., Westphal, J. A., AJ, 115, 1045

1998 “Asteroid Trails in Hubble Space Telescope”, Evans, R.W., Stapelfeldt, K. R., Peters,

D. P., Trauger, J. T., Padgett, D. L., Ballester, G. E., Burrows, C. J., Clarke, J. T.,

Crisp, D., Gallagher, J. S., Griffiths, R. E., Grillmair, C., Hester, J. J., Hoessel, J.

G., Holtzmann, J., Krist, J., McMaster, M., Meadows, V., Mould, J. R., Ostrander,

E., Sahai, R., Scowen, P. A., Watson, A. M., Westphal, J., Icarus, 131, 261

1998 “Galaxy Surface Brightness and Size Evolution to z∼4”, Roche, N., Ratnatunga, K.,

Griffiths, R. E., Im, M., Naim, A., MNRAS, 293, 157

1998 “Imaging of the Egg Nebula (CRL 2688) with WFPC2/HST: A History of AGB/Post-

AGB Giant Branch Mass Loss”, Sahai, R., Trauger, J. T.,Watson, A.M., Stapelfeldt,

K. R., Hester, J. J., Burrows, C. J., Ballister, G. E., Clarke, J. T., Crisp, D., Evans,

R. W., Gallagher, J. S., III, Griffiths, R. E., Hoessel, J. G., Holtzman, J. A.,

Mould, J. R., Scowen, P. A., Westphal, J. A., ApJ, 493, 301

1998 “Hubble Space Telescope Observations of the Draco Dwarf Spheroidal Galaxy”, Grillmair,

C. J., Mould, J. R., Holtzman, J. A., Worthey, G., Ballester, G. E., Burrows, C.

J., Clarke, J. T., Crisp, D., Evans, R. W., Gallagher, J. S., III, Griffiths, R. E.,

Hester, J. J., Hoessel, J. G., Scowen, P. A., Stapelfeldt, K. R., Trauger, J. T.,

Watson, A. M., Westphal, J. A., AJ, 115, 144

1998 Hubble Space Telescope Imaging of the Circumstellar Nebulosity of T Tauri, Stapelfeldt,

K. R., Burrows, C. J., Krist, J. E., Watson, A. M., Ballester, G. E., Clarke, J. T.,

Crisp, D., Evans, R. W., Gallagher, J. S., III, Griffiths, R. E., Hester, J. J.,

Hoessel, J. G., Holtzman, J. A., Mould, J. R., Scowen, P. A., Trauger, J. T.,

Westphal, J. A., ApJ, 508, 736

1998 “X-ray Variability as a Probe of Advection-dominated Accretion in Low-Luminosity

Active Galactic Nuclei”, Ptak, A., Yaqoob, T., Mushotzky, R., Serlemitsos, P.,

Griffiths, R. E., ApJ, 501, L37

1998 “ASCA Observations of Deep ROSAT Fields - II. The 2-10keV AGN Luminosity

Function”, Boyle, B. J., Georgantopoulos, I., Blair, A. J., Stewart, G. C., Griffiths,

R. E., Shanks, T., Gunn, K. F., Almaini, O., MNRAS, 296, 1

1998 “ASCA Observations of Deep ROSAT Fields - III. The Discovery of an Obscured

Type 2 AGN at z=0.67”, Boyle, B. J., Almaini, O., Georgantopoulos, I., Blair, A.

J., Stewart, G. C., Griffiths, R. E., Shanks, T., Gunn, K. F., MNRAS, 297, L53

1998 “The AGN Content of ROSAT and ASCA Deep Surveys”,Griffiths, R. E., Boyle, B.

J., Georgantopoulos, I., Shanks, T., Gunn, K., Stewart, G. C., Blair, A., Almaini,

O., Astronomische Nachrichten, 319, 21

1998 “QSO X-ray Spectral Evolution”, Blair, A. J., Stewart, G. C., Georgantopoulos,

I., Boyle, B. J., Almaini, O., Shanks, T., Gunn, K. F., and Griffiths, R. E.,

Astronomische Nachrichten, 319, 25

1998 “Faint Galaxies and the X-ray Background”, Almaini, O., Shanks, T., Gunn, K. F.,

Boyle, B. J., Georgantopoulos, I., Griffiths, R. E., Stewart, G. C., Blair, A. J.,

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1999 “Disk and Bulge Morphology of WFPC2 Galaxies: The HUBBLE SPACE TELESCOPE

Medium Deep Survey” Ratnatunga, K. U., Griffiths, R. E. & Ostrander, E. J.,

AJ, 118, 86

1999 “Top Ten List of Gravitational Lens Candidates from the HST Medium Deep Survey”,

Ratnatunga, K. U., Griffiths, R. E. & Ostrander, E. J., AJ, 117, 2010

1999 “The Morphologically Divided Redshift Distribution of Faint Galaxies”, Im, M.,

Griffiths, R. E., Naim, A., Ratnatunga, K. U., Roche, N., Green, R. F., Sarajedini,

V. L., ApJ, 510, 82

1999 “Compact Nuclei in Galaxies at Moderate Redshift. I. Imaging and Spectroscopy”,

Sarajedini, V. L., Green, R. F., Griffiths, R. E., Ratnatunga, K., ApJS, 121, 417

1999 “Compact Nuclei in Galaxies at Moderate Redshift. II. Their Nature and Implications

for the Active Galactic Nucleus Luminosity Function”, Sarajedini, V. L., Green,

R. F., Griffiths, R. E., Ratnatunga, K. ApJ, 514, 746

1999 “ASCA Observations of the Starburst-driven Superwind Galaxy NGC 2146: Broadband

(0.6-9 KEV) Spectral Properties”, Della Ceca, R., Griffiths, R. E., Heckman, T.

M., Lehnert, M. D., Weaver, K. A., ApJ, 514, 772

1999 “ASCA observations of deep ROSAT fields - IV. Infrared and hard X-ray observations

of an obscured high-redshift QSO”, Georgantopoulos, I., Almaini, O., Shanks, T.,

Steawrt, G. C., Griffiths, R. E., Boyle, B. J., Gunn, K. F., MNRAS, 305, 125

1999 “Hard X-Ray Variability in M82: Evidence for a Nascent Active Galactic Nucleus?”,

Ptak, A. & Griffiths, R. E., ApJ, 517, L85

1999 “Deep Hubble Space Telescope Observations of Blue Star Clusters in NGC 3597”,

Carlson, M. N., Holtzman, J. A., Grillmair, C. J., Mould, J. R., Griffiths, R. E.,

Ballester, G. E., Burrows, C. J., Clarke, J. T., Crisp, D., Evans, R. W., Gallagher,

J. S., III, Hester, J. J., Hoessel, J. G., Scowen, P. A., Stapelfeldt, K. R., Trauger,

J. T., Watson, A. M., Westphal, J. A., AJ, 117, 1700.

1999 “WFPC2 Observations of Compact Star Cluster Nuclei in Low-Luminosity Spiral

Galaxies”, Matthews, L. D., Gallagher, J. S., III, Krist, J. E., Watson, A. M.,

Burrows, C. J., Griffiths, R. E., Hester, J. J., Trauger, J. T., Ballester, G. E.,

Clarke, J. T., Crisp, D., Evans, R. W., Hoessel, J. G., Holtzman, J. A., Mould, J.

R., Scowen, P. A., Stapelfeldt, K. R., Westphal, J. A., AJ, 118, 208

1999 “The Etched Hourglass Nebula MyCn 18. I. Hubble Space Telescope Observations”,

Sahai, R., Dayal, A., Watson, A. M., Trauger, J. T., Stapelfeldt, K. R., Burrows,

C. J., Gallagher, J. S., III, Scowen, P. A., Hester, J. J., Evans, R. W., Ballester,

G. E., Clarke, J. T., Crisp, D., Griffiths, R. E., Hoessel, J. G., Holtzman, J. A.,

Krist, J., Mould, J. R., AJ, 118, 468

1999 “Stellar Populations at the Center of IC 1613”, Cole, A. A., Tolstoy, E., Gallagher,

J. S., III, Hoessel, J. G., Mould, J. R., Holtzman, J. A., Saha, A., Ballester, G. E.,

Burrows, C. J., Clarke, J. T., Crisp, D., Griffiths, R. E., Grillmair, C. J., Hester,

J. J., Krist, J. E., Meadows, V., Scowen, P. A., Stapelfeldt, K. R., Trauger, J. T.,

Watson, A. M., Westphal, J. R., AJ, 118, 1657

1999 “Detection of Surface Brightness Fluctuations in NGC 4373 Using the Hubble Space

Telescope”, Pahre, M. A., Mould, J. R., Dressler, A., Holtzman, J. A., Watson, A.

M., Gallagher, J. S., III, Ballester, G. E., Burrows, C. J., Casertano, S., Clarke,

J. T., Crisp, D., Griffiths, R. E., Grillmair, C. J., Hester, J. J., Hoessel, J. G.,

Scowen, P. A., Stapelfeldt, K. R., Trauger, J. T., Westphal, J. A., ApJ, 515, 79

1999 “Hubble Space Telescope WFPC2 Imaging of XZ Tauri: Time Evolution of a Herbig-

Haro Bow Shock”, Krist, J. E., Stapelfeldt, K. R., Burrows, C. J., Hester, J. J.,

Watson, A. M., Ballester, G. E., Clarke, J. T., Crisp, D., Evans, R. W., Gallagher,

J. S., III, Griffiths, R. E., Hoessel, J. G., Holtzman, J. A., Mould, J. R., Scowen,

P. A., Trauger, J. T., ApJ, 515, L35

1999 “A Variable Asymmetry in the Circumstellar Disk of HH 30”, Stapelfeldt, K. R.,

Watson, A. M., Krist, J. E., Burrows, C. J., Crisp, D., Ballester, G. E., Clarke, J.

T., Evans, R. W., Gallagher, J. S., III, Griffiths, R. E., Hester, J. J., Hoessel, J.

G., Holtzman, J. A., Mould, J. R., Scowen, P. A., Trauger, J. T., ApJ, 516, L95

2000 “X-Ray Sources in the Hubble Deep Field Detected by Chandra”, Hornschemeier, A.

E,, Brandt, W. N., Garmire, G. P., Schneider, D. P., Broos, P. S., Townsley, L. K.,

Bautz, M. W., Burrows, D. N., Chartas, G., Feigelson, E. D., Griffiths, R. E.,

Lumb, D., Nousek, J. A. and Sargent, W. L. W., ApJ, 541, 49

2000 “X-ray variability in a deep, flux-limited sample of QSOs”, Almaini, O., Lawrence,

A., Shanks, T., Edge, A., Boyle, B. J., Georgantopoulos, I., Gunn, K. F., Stewart,

G. C. and Griffiths, R. E., MNRAS, 315, 325

2000, “Jet-induced Star Formation in Centaurus A”,Mould, J. R. , Ridgewell, A., Gallagher,

J. S., Bessell, M. S., Keller, S., Calzetti, D., Clarke, J. T., Trauger, J. T., Grillmair,

C., Ballester, G. E., Burrows, C. J., Krist, J., Crisp, D., Evans, R., Griffiths, R.

E., Hester, J. J., Hoessel, J. G., Holtzman, J. A., Scowen, P. A., Stapelfeldt, K.

R., Sahai, R., Watson, A. and Meadows, V., ApJ, 536, 266

2000 “A deep ROSAT survey - XV. The average QSO spectrum and its evolution”, Blair,

A. J., Stewart, G. C., Georgantopoulos, I., Boyle, B. J., Griffiths, R. E., Shanks,

T. and Almaini, O., MNRAS, 314, 138

2000 “Jupiter’s Polar Regions in the Ultraviolet as Imaged by HST/WFPC2: Auroral-

Aligned Features and Zonal Motions”, Vincent, M. B., Clarke, J. T., Ballester,

G. E., Harris, W. M., West, R. A., Trauger, J. T., Evans, R. W., Stapelfeldt, K.

R., Crisp, D., Burrows, C. J., Gallagher, J. S., Griffiths, R. E., Jeff Hester, J.,

Hoessel, J. G., Holtzman, J. A., Mould, J. R., Scowen, P. A., Watson, A. M. and

Westphal, J. A., Icarus, 143, 205.

2000 “Mapping Jupiter’s Latitudinal Bands and Great Red Spot Using HST/WFPC2 Far-

Ultraviolet Imaging”, Vincent, M. B., Clarke, J. T., Ballester, G. E., Harris, W. M.,

West, R. A., Trauger, J. T., Evans, R. W., Stapelfeldt, K. R., Crisp, D., Burrows,

C. J., Gallagher, J. S., Griffiths, R. E., Hester, J. J., Hoessel, J. G., Holtzman,

J. A., Mould, J. R., Scowen, P. A., Watson, A. M. and Westphal, J. A., Icarus,

143, 189.

2001 “The Chandra Deep Field North Survey: II. Results from the CalTech Faint Field

Galaxy Redshift Survey Area”, Hornschemeier, A. E., Brandt, W. N., Garmire, G.

P., Schneider, D. P., Barger, A. J., Broos, P. S., Cowie, L. L., Townsley, L. K.,

Bautz, M. W., Burrows, D. N., Chartas, G., Feigelson, E. D., Griffiths, R. E.,

Lumb, D., Nousek, J. A., Ramsey, L. W., Sargent, W. L. W., ApJ, 554, 742

2001 “The Chandra Deep Field North Survey: V. 1 Ms Source Catalogs”, Brandt, W. N.,

Alexander, D. M., Hornschemeier, A. E., Garmire, G. P., Schneider, D. P., Barger,

A. J., Bauer, F. E., Broos, P. S., Cowie, L. L., Townsley, L. K., Burrows, D. N.,

Chartas, G., Feigelson, E. D., Griffiths, R. E., Nousek, J. A., Sargent, W. L. W.,

AJ, 122, 2810

2001 “The Chandra Deep Field North Survey: VI. The Nature of the Optically Faint X-ray

Sources”, , Alexander, D. M.,Brandt, W. N. Hornschemeier, A. E., Garmire, G.

P., Schneider, D. P., Bauer, F. E., Griffiths, R. E., AJ, 122, 2156

2001 “ASCA observations of deep ROSAT fields - V. the X-ray Spectrum of Hard X-ray

Selected QSOs”, Pappa, A., Stewart, G. C., Georgantopoulos, I., Griffiths, R. E.,

Boyle, B. J., Shanks, T., MNRAS, 327, 499

2001 “XMM-Newton Observations of the Lockman Hole. I: the X-ray Data”, Hasinger, G.,

... Griffiths, R. E., A&A, 365, L45.

2001 “The Consequences of the Cosmic Star Formation Rate: X-ray Number Counts”,

Ptak, A., Griffiths, R. E., White, N., Ghosh, P., ApJ, 599, L91.

2001 “Investigation of Gravitational Lens Mass Models”, Knudson, A., Ratnatunga, K.

U., Griffiths, R. E., AJ, 122, 103.

2001 “Detection of the Nuclear X-ray Sources in Nearby Galaxies with Chandra”, Ho, L.

C., Feigelson, E. D., Townsley, L. K., Sambruna, R. M., Garmire, G. P., Brandt,

W. N., Filippenko, A. V., Griffiths, R. E., Ptak, A. F., Sargent, W. L. W., ApJ,

549, L51

2002 “The Chandra Deep Field North Survey: IX. Extended X-ray Sources”, Bauer, F. E.,

Alexander, D. M., Brandt, W. N., Hornschemeier, A. E., Miyaji, T., Garmire, G.

P., Schneider, D. P., Bautz, M. W., Chartas, G., Griffiths, R. E., Sargent, W. L.

W., AJ, 123, 1163.

2002 “Faint Source Counts from Off-Source Fluctuation Analysis of Chandra Observations

of the Hubble Deep Field North”, Miyaji, T. and Griffiths, R. E., ApJ, 564, L5.

2003 “Cosmic Gravitational Shear from the Hubble Space Telescope Medium Deep Survey”,

Casertano, S., Ratnatunga, K. U., & Griffiths, R. E., ApJ, 598, L71.

2003 “Methodology in the Measurement of Cosmic Gravitational Shear using Image Parameters”,

Ratnatunga, K. U., Griffiths, R. E., & Casertano, S. AJ, submitted.

2003 “XMM-Newton Observations of Broad FeK_ Emission from the Seyfert 1.9 Galaxy

MCG-5-23-16”, Dewangan, G. C., Griffiths, R. E., & Schurch, N. J., ApJ, 592,

52.

2003 “Iron K-Features in the XMM-Newton Spectrum of NGC4151”, Schurch, N. J.,

Warwick, R. S., Griffiths, R. E., & Sembay, S., MNRAS, 345, 423.

2003 “XMM-Newton Observations of an Absorbed z=0.67 QSO: no dusty torus?”, Georgantopoulos,

I., Georgakis, A., Stewart, G. C., Akylas, A., Boyle, B. J., Shanks, T., Griffiths,

R. E., MNRAS, 342, 321.

2003 “X-ray Fluctuation Power Spectral Densities of Seyfert I Galaxies”, Markowitz, A.,

Edelson, R., Vaughan, S., Uttley, P., George, I.M., Griffiths, R.E., Kaspi, S.,

Lawrence, A., McHardy, I., Nandra, K., et al., ApJ, 593, 96.

2003 “Chandra ACIS-S Observations of Three Quasars with Low-Redshift Damped Lyman-

_ Absorption: Constraints on the Cosmic Neutral Gas-Phase Metallicity at Redshift

z ∼ 0.4′′, Turnshek, D. A., Rao, S.M., Ptak, A.F., Griffiths, R.E., Monier, E.M.,

ApJ, 590, 730.

2003 “XEUS: the X-ray Evolving Universe Spectroscopy Mission”, Parmar, A. N., Hasinger,

G., Arnaud, M., Barcons, X., Barrett, D., Blanchard, A., .....Griffiths, R.E., ...

et al., SPIE, 4851, 304.

2003 “XMM-Newton View of the Hubble Deep Field-North and Groth-Westphal Strip

Regions”, Miyaji, T., Griffiths, R.E., Lumb, D., Sarajedini, V., Siddiqui, H.,

Astron. Nachrichten, 324, 24. Erratum ibid 432, 506.

2003 “Galaxies at the Detection Limits of Deep X-ray Surveys”, Griffiths, R.E., Miyaji,

T. & Knudson, A., Astrophys. & Space Science, 284, 961.

2004 “The Dark Universe Observatory: Telescope Concept”, Friedrich, P., ....Griffiths,

R.E., ... et al., SPIE, 5488, 837.

2004 “The Dark Universe Observatory”, Griffiths, R.E., Petre, P., Hasinger, G., Predehl,

P., White, N.E., Aschenbach, B, Barcons, B., et al., SPIE, 5488, 209.

2004 “A Transition to a Low, Soft State in the Ultraluminous Compact X-ray Source

Holmberg II X-1”, Dewangan, G, & Griffiths, R. E., ApJ, 608, L57.

2004 “Iron K-_ Emission from the Low Luminosity Active Galaxies M81 and NGC4579”,

Dewangan, G.C., Griffiths, R.E., DiMatteo, T. & Schurch, N.J., ApJ, 607, 788.

2004 “Multiwavelength Properties of the X-ray Sources in the Groth-Westphal Strip Field”,

Miyaji, T., Sarajedini, V., Griffiths, R.E., Yamada, T., Schurch, M., Cristobal-

Hornillos, D., Motohara, K., AJ, 127, 3180.

2004 “The Complex Soft X-ray Spectrum of NGC4151”, Schurch, N. J., Warwick, R. S.,

Griffiths, R. E., & Khan, S.M., MNRAS, 350, 1.

2004 “Studying the Evolution of the Hot Universe with the X-ray Evolving Universe

Spectroscopy Mission - XEUS”, Parmar, A.N., ...Griffiths, R.E., ... et al., Advances

in Space Research, 34, 2623.

2004 “Galaxies at the Detection Limits of Deep X-ray Surveys”, Griffiths, R.E., Miyaji,

T. & Knudson, A., Advances in Space Research, 34, 2486.

2005 “Type 2 Counterparts of Narrow-Line Seyfert I Galaxies”, Dewangan, G. C., &

Griffiths, R. E., ApJL, 625, L31.

2005 “XMM-Newton View of the Ultraluminous sources in M51”, Dewangan, G. C.,

Griffiths, R. E., Choudhury, M., Miyaji, T., & Schurch, N. J., ApJ 635, 198

2005 “An X-ray Galaxy Cluster Survey for Investigations of Dark Energy”, Haiman, Z.,

... Griffiths, R. E., et al., White Paper submitted to the Dark Energy Task Force,

astro-ph 0507013

2006 “Black Hole Mass of the Ultraluminous X-ray Source M82 X-1”, Dewangan, G. C.,

Titarchuck, L., & Griffiths, R. E., ApJL, 637, L21

2006 “Quasi-Periodic Oscillations and Strongly Comptonized X-ray Emission from Holmberg

IX X-1”, Dewangan, G. C., Griffiths, R. E., & Rao, A. R., ApJ 641, L125

2006 “The Messy Environment of Mrk 6”, Schurch, N. J., Griffiths, R. E. & Warwick,

R. S., MNRAS, 371, 211.

2007 “COSMOS: Hubble Space Telescope Observations”, Scoville, N., Benson, A., Blain,

A. W., ... Griffiths, R. E., ... et al., ApJS, 172, 38

2007 “The XMM-Newton Wide-field Survey in the COSMOS Field”, Hasinger, G., Cappelluti,

N., Brunner, H., Brusa, M., Comastri, A., Elvis, M., Finoguenov, A., Fiore, F.,

Franceschini, A., Gilli, R., Griffiths, R. E., Lehmann, I., Mainieri, V., Matt, G.,

Matute, I., Miyaji, T., Molendi, S., Paltani, S., Sanders, D. B., Scoville, N. Z.,

Tresse, L., Urry, C. M., Vettolani, P., Zamorani, G., ApJS, 172, 29

2007 “Angular Clustering of the X-ray Sources in the First-year XMM-Newton Observations

of the COSMOS Field”, Miyaji, T., Zamorani, G., Comastri, A., Cappelluti, N.,

Gilli, R., Brusa, M., Griffiths, R. E., Hasinger, G., Finoguenov, A., ApJS, 172,

396

2007 “The XMM-Newton Wide-field Survey in the COSMOS Field. IV: X-ray Spectral

properties of Active Galactic Nuclei”, Mainieri, V, Hasinger, G., Cappelluti, N.,

Brusa, M., Brunner, H., Civano, F., Comastri, A., Finoguenov, A., Fiore, F., Gilli,

R., Lehmann, I., Silverman, J., Zamorani, G., Schinnerer, E., Impey, C., Trump,

J., Lilly, S., Griffiths, R. E., Miyaji, T., Capak, P., Scoville, N., & Taniguchi, Y.,

ApJS, 172, 368

2007 “The XMM-Newton Wide-Field Survey in the COSMOS field: Statistical Properties

of X-ray Clusters”, Finoguenov, F., Guzzo, L., Hasinger, G., Scoville, N. Z., Aussel,

H., Boehringer, H., Brusa, M., Capak, P., Cappelluti, N., Comastri, A., Griffiths,

R. E., Impey, C., Koekemoer, A. M., Kneib, J.-P., Mobasher, B., Mainieri, V.,

Silverman, J., Trump, J. & Zamorani, G., ApJS, 172, 182

2007 “The XMM-Newton Wide-Field Survey in the COSMOS Field II: X-ray Data and

the LogN-logS Relations”, Cappelluti, N., Hasinger, G., Brusa, M., Comastri, A.,

Zamorani, G., Boehringer, H., Brunner, H., Civano, F., Finoguenov, A., Fiore, F.,

Gilli, R., Griffiths, R. E., Mainieri, V., Matute, I., Miyaji, T., Silverman, J., ApJ,

172, 341

2007 “An Investigation of the Origin of Soft Excess Emission from Ark 564 and Mrk

1044”, Dewangan, G. C., Griffiths, R. E. & Rao, A. R., ApJ, 671, 1284

2007 “Relativistic Iron K Emission and Absorption in the Seyfert 1.9 Galaxy MCG-5-23-

16”, Braito, V., Reeves, J. N., Dewangan, G. C., George, I., Griffiths, R. E.,

Markowitz, A., Nandra, K., Porquet, D., Ptak, A., Turner, T. J., ApJ, 670, 978

2007 “Beyond the CXO Deep Surveys: Stacks of Galaxies”, Griffiths, R. E. & Miyaji,

T., Prog. Theo. Phys. Supp., 169, 256

2007 “Time Lags in Narrow-Line Seyfert I Galaxies and the Origin of their Soft Excess

Emission”, Dewangan, G. C., Griffiths, R. E., Rao, A. & Dasgupta, S., Prog.

Theo. Phys. Supp., 169, 244

2007 “The X-ray Observatory Suzaku”, Mitsuda, K., Bautz, M., Inoue, H., Kelley, R. M.,

Koyama, K., Kunieda, H., Makishima, K., Ogawara, Y., Petre, R., Takahashi, T.,

...Griffiths, R. E., ... et al., PASJ, 59, S1

2007 “Suzaku Observations of Two Ultraluminous X-ray Sources in NGC1313”, Mizuno,

T., ...Griffiths, R. E., .... et al., PASJ, 59, S257

2007 “Revealing the High Energy Emission from the Obscured Seyfert Galaxy MCG-5-23-

16 with Suzaku”, Reeves, J., .....Griffiths, R. E., et al., PASJ, 59, S301

2007 “Precision Fe K_ and Fe K_ Line Spectroscopy of the Seyfert 1.9 Galaxy NGC 2992

Observed with Suzaku”, Yaqoob, T., Murphy, K. D., Griffiths, R. E., ... et al.

PASJ, 59, S283

2007 “X-ray Spectral Study of the Extended Emission, ’the Cap’, Located 11.6kpc above

the disk of M82”, Tsuru, T. G., .....Griffiths, R. E., et al. PASJ, 59, S269

2008 ”X-Ray Emission from Active Galactic Nuclei with Intermediate-Mass Black Holes”,

Dewangan, G. C.; Mathur, S.; Griffiths, R. E.; Rao, A. R., ApJ, 689, 762

2008 ” CSTACK: A Web-Based Stacking Analysis Tool for Deep/Wide Chandra Surveys”,

Miyaji, Takamitsu & Griffiths, R. E., HEAD...10.0401

2008 ”The Suzaku Observation of NGC3516: Complex Absorption and the Broad and

Narrow FeK Lines”, Markowitz, Alex; Reeves, James N.; Miniutti, Giovanni;

Serlemitsos, Peter; Kunieda, Hideyo; Yaqoob, Tahir; Fabian, Andrew C.; Fukazawa,

Yasushi; Mushotzky, Richard; Okajima, Takashi; ... Griffiths, Richard E., et al.,

PASJ, 60S, 277

2008 ”Discovery of a Bright Transient Ultraluminous X-Ray Source, Suzaku J1305-4931

in NGC4945”, Isobe, Naoki; Kubota, Aya; Makishima, Kazuo; Gandhi, Poshak;

Griffiths, Richard E.; Dewangan, Gulab C.; Itoh, Takeshi; Mizuno, Tsunefumi

PASJ, 60S, 241

2009 ”The Chandra COSMOS Survey. I. Overview and Point Source Catalog”, Elvis,

Martin; Civano, Francesca; Vignali, Cristian; Puccetti, Simonetta; Fiore, Fabrizio;

Cappelluti, Nico; Aldcroft, T. L.; Fruscione, Antonella; Zamorani, G.; Comastri,

Andrea; ... Griffiths, Richard E. et al., ApJS, 184, 158

2009 ”Ongoing and Co-Evolving Star Formation in zCOSMOS Galaxies Hosting Active

Galactic Nuclei”, Silverman, J. D.; Lamareille, F.; Maier, C.; Lilly, S. J.; Mainieri,

V.; Brusa,M.; Cappelluti, N.; Hasinger, G.; Zamorani, G.; Scodeggio,M.; ...Griffiths,

R.E., .. et al. ApJ, 696, 396

2009 ”The Environments of Active Galactic Nuclei within the zCOSMOS Density Field”,

Silverman, J. D.; Kova, K.; Knobel, C.; Lilly, S.; Bolzonella, M.; Lamareille, F.;

Mainieri, V.; Brusa, M.; Cappelluti, N.; Peng, Y.; ...Griffiths, R.E., ... et al.,

ApJ, 695, 171

2009 ”The XMM-Newton Wide-field Survey in the COSMOS field. The Point-like X-

ray Source Catalogue”, Cappelluti, N.; Brusa, M.; Hasinger, G.; Comastri, A.;

Zamorani, G.; Finoguenov, A.; Gilli, R.; Puccetti, S.; Miyaji, T.; Salvato, M.;

...Griffiths, R.E., ... et al., Astron. & Astrophys., 497, 635

2009 ”XEUS: The Physics of the Hot Evolving Universe”, Arnaud, Monique; Barcons,

Xavier; Barret, Didier; Bautz,Marshall; Bellazzini, Ronaldo; Bleeker, Johan; Bhringer,

Hans; Boller, Thomas; Brandt, William Nielsen; Cappi, Massimo; ...Griffiths, R.

E., ... et al., Experimental Astronomy, 23, 139

2009 ”X-Ray Spectral Variability of the Seyfert Galaxy NGC 4051 Observed with Suzaku”,

Terashima, Yuichi; Gallo, Luigi C.; Inoue, Hirohiko; Markowitz, Alex G.; Reeves,

James N.; Anabuki, Naohisa; Fabian, Andrew C.; Griffiths, Richard E.; Hayashida,

Kiyoshi; Itoh, Takeshi; and 6 coauthors, PASJ, 61S, 299

2010 ”Associated Spectral and Temporal State Transition of the Bright ULX NGC1313 X-

1”, Dewangan, G. C.; Misra, R.; Rao, A. R.; Griffiths, R. E., MNRAS, 407, 291

II. INVITED REVIEWS

1982 “The Development and Applications of Charge-Coupled Devices for Space Astronomy”,

R. E. Griffiths, in Technology for Space Astrophysics Conference: The Next 30

Years, American Institute of Aeronautics and Astronautics, CP 827, (AIAA: New

York), pp. 19–27.

1993 “The X-ray Background ”, R. E. Griffiths, in The Environment and Evolution of

Galaxies, Proc. Third Tetons Summer School, eds. J. M. Shull and H. A. Thronson,

Jr., Astrophysics and Space Science Library, vol. 188, (Kluwer), p. 159.

1996 “The HST Medium Deep Survey: Galaxy Morphology at High Redshift”, Griffiths,

R. E., Ratnatunga, K. U., Casertano, S., Im, M., Neuschaefer, L. W., Ellis, R.

S., Gilmore, G. F., Elson, R. A. W., Glazebrook, K., Santiago, B., Windhorst, R.

A., Driver, S. P., Ostrander, E. J., Mutz, S. B., Koo, D. C., Illingworth, G. D.,

Forbes, D. A., Phillips, A. C., Green, R. F., Huchra, J. P., & Tyson, A. J., in

Examining the Big Bang and Diffuse Background Radiations, Proc. International

Astronomical Union Symposium No. 168, Kluwer, Dordrecht, p. 219

1996 “Cosmology with the HST Medium Deep Survey”, Griffiths, R. E., Ratnatunga, K.

U., Casertano, S., Im, M., Roche, N., Neuschaefer, L. W., Ellis, R. S., Gilmore,

G. F., Elson, R. A. W., Abraham, R., Glazebrook, K., Santiago, B., Green, R. F.,

Sarajedini, V. & Huchra, J. P. in The Cosmological Constant and the Evolution of

the Universe, eds. Sato, K., Suginohara, T. & Sugiyama, N., Proc. First RESCEU

Symposium, Universal Academy Press, Tokyo, p. 51

1996 “Resolving the Faint Galaxy Excess with HST: Results from the Medium Deep

Survey”, Griffiths, R. E., Ratnatunga, K. U., Casertano, S., Im, M., Roche,

N., Neuschaefer, L. W., Ellis, R. S., Gilmore, G. F., Elson, R. A. W., Abraham,

R., Glazebrook, K., Santiago, B., Green, R. F., Sarajedini, V. & Huchra, J. P. in

New Extragalactic Perspectives in the New South Africa: Changing Perceptions of

the Morphology, Dust Content and Dust-Gas Ratios in Galaxies, eds. Block, D. L.

& Greenberg, J. M., Astrophysics and Space Science Library, vol. 209, (Kluwer),

Dordrecht, 211

1997 “Morphology and Evolution of Galaxies in the HST Medium Deep Survey”, Griffiths,

R. E., Ratnatunga, K. U., Casertano, S., Im, M., Roche, N., Neuschaefer, L.

W., Ellis, R. S., Gilmore, G. F., Elson, R. A. W., Abraham, R., Glazebrook, K.,

Santiago, B., Green, R. F., Sarajedini, V. & Huchra, J. P., in “The Ultraviolet

Universe at Low and High Redshift”, Conference Proceedings Vol. 408, eds. Waller,

W. H., Fanelli,M. N., Hollis, J. E., and Danks, A. C., American Institute of Physics,

Woodbury, NY, p. 241

1997 “Cosmology with the HST Medium Deep Survey”, Griffiths, R. E. and the MDS

Team, General Assembly of the International Astronomical Union, Symposium

183, Kyoto, August 1997

1997 “Cosmology with the HST Medium Deep Survey”, Griffiths, R. E. and the MDS

Team, at Conference on “The Young Universe”, Frascati, Italy, Sept.’97

1998 “What SALT will do for Astrophysics at Carnegie Mellon University”, Griffiths, R.

E., in “Science with SALT: The Southern African Large telescope”, Buckley, D. A.

H., ed., Publications of the South African Astronomical Observatory

1999 “Gravitational Lensing Observed in HST Survey Data”, Griffiths, R. E., RAS

General Meeting, Guernsey, Channel Islands

1999 “Prospects for X-ray Observation of Galaxy Evolution”, Griffiths, R. E., in Workshop

on “X-ray Surveys and the History of Accretion in the Universe”, Osservatorio

Astronomico di Roma, Monte Porzio Catone, Italy

2000 “The HST Medium Deep Survey”, Griffiths, R. E., in “Ten Years of Science with

HST”, STScI publication

2002 “Deep X-ray Surveys: the Evolution of X-ray Binary Populations in Galaxies”,

Griffiths, R. E., Miyaji, T., and Knudson, A., in IAU Symposium 124 “High

Energy Processes and Phenomena in Astrophysics”, Suzhou, China.

2003 “Galaxies at the Detection Limits of Deep X-ray Surveys”, in 34th COSPAR Scientific

Assembly “New X-ray Results from Clusters of Galaxies and Black Holes”

2004 “Measuring the Dark Energy Equation of State Parameter with DUO, the Dark

Universe Observatory”, Griffiths, R.E., “Cosmology with Clusters of Galaxies”,

FermiLab, Dec. 2004.

2005 ” Prospects for Detection and Spectroscopy of High-Redshift Galaxies with XEUS”,

Griffiths, R. E., Workshop on the X-ray Early Universe Spectroscopy Mission

(XEUS), MPE, Garching, Germany.

2006 “The iron emission line complex of MCG-5-23-16: the long XMM-Newton look”,

Braito, V., ...Griffiths, R. E., ..... Astron. Nachrichten, 327, 1067.

2006 ”The Power of Suzaku: Broadband X-ray Observations of Active Galactic Nuclei”,

Griffiths, R. E., for the Suzaku Science Working Group, at Conference on ”The

Multicoloured Landscape of Compact Objects and their Explosive Origins”, Cefalu,

Sicily, 2006

and Texas Symposium on Relativistic Astrophysics, Melbourne, Australia, Dec. 2006

III. CONFERENCE PROCEEDINGS

1978 ``Location of Unidentified Weak X-ray Sources by the HEAO-1 Scanning Modulation Collimator'', D. A. Schwartz, H. V. Bradt, U. Briel, R. Dower, R. Doxsey, G. Fabbiano, R. Griffiths, H. Gursky, M. Johnston, R. Leach, W. Liller, A. Ramsey and J. Schwarz, in Non-Solar X-ray Astronomy, Proc. COSPAR/IAU Symposium, eds. W. A. Baity and L. E. Peterson, (D.Reidel: Dordrecht,Holland), pp. 435--438.

1978 ``Optical Identifications of Transient X-ray Sources Positioned with the HEAO-1 Modulation Collimator'', R. E. Griffiths, H. Bradt, U. Briel, R. Dower, G. Fabbiano, H. Gursky, M. Johnston, R. Leach, A. Ramsey, D. Schwartz, J. Schwarz and P. Murdin, in Non-Solar X-ray Astronomy, Proc. COSPAR/IAU Symposium, eds. W. A. Baity and L. E. Peterson, (D.Reidel: Dordrecht,Holland), pp. 93--96.

1979 ``Use of a Charge Coupled Device in X-ray Astronomy as a High Resolution Imaging Detector with Spectral Resolution'', D. A. Schwartz, R. E. Griffiths, S. S. Murray, J. Barrett and W. Bradley, in X-ray Optics, Proc. SPIE Symposium 184, pp. 247--254.

1980 ``Preliminary Results from a Single-Photon Imaging X-ray CCD Camera'', R. E. Griffiths, G. Polucci, A. Mak, S. S. Murray, D. A. Schwartz M. V. Zombeck, in Focal Plane Methodologies, Proc. SPIE Symposium, 244, pp. 57--65.

1980 ``Area Array X-ray Sensors'', D. M. McCann, M. C. Peckarar, W. Mend, D. A. Schwartz, R. E. Griffiths, G. Polucci and M. V. Zombeck, in Charge-Coupled Devices and Cameras, Proc. SPIE Symposium, 217, pp. 118--128.

1980 ``Recent X-ray Observations of Seyferts and Emission-line Galaxies'', R. E. Griffiths, in Highlights of Astronomy, 5, ed. P. A. Wayman, (D. Reidel: Dordrecht, Holland), pp. 641--651.

1980 ``X-ray Variability in Active Galaxy Nuclei and Quasars in Less Than One Day'', M. Elvis, E. Feigelson, R. E. Griffiths, J. P. Henry and H. Tananbaum, in Highlights of Astronomy, 5, ed. P. A. Wayman, (D. Reidel: Dordrecht, Holland), pp. 641--651.

1981 ``Single Photon X-ray Imaging with CCDs'', R. E. Griffiths, G. Polucci, A. Mak, S. S. Murray, and D. A. Schwartz, in Solid-State Imagers for Astronomy, Proc. SPIE, 290, pp. 62--68.

1981 ``Optical Identification of X-ray Sources in the Einstein Observatory Medium and Deep X-ray Surveys'', R. E. Griffiths, T. M. Maccacaro, S. S. Murray, and R. Giacconi, in X-ray Astronomy, Proc. XV ESLAB Symposium, ed. D. Andresen, (D. Reidel: Dordrecht, Holland), pp. 67--73.

1981 ``The Einstein Observatory Medium Sensitivity Survey'', T. Maccacaro,E. D. Feigelson, R. Giacconi, I. M. Gioia, R. E. Griffiths, J. Liebert, S. S. Murray, J. Stocke, and G. Zamorani in X-ray Astronomy, Proc. XV ESLAB Symposium, ed. D. Andresen, (D. Reidel: Dordrecht, Holland), pp. 75--80.

1982 ``High Resolution Iron-Line Spectroscopy'', R. E. Griffiths, in X-ray Astronomy in the 1980's, NASA Technical Memorandum 83848, ed. S. S. Holt, (NASA,GSFC: Greenbelt,MD), pp. 497--522.

1984 ``On the Unique Capabilities of the Hubble Space Telescope for Studies of ROSAT Deep-Survey X-ray Sources,'', R. E. Griffiths, in Proceedings of the Workshop on X-ray and UV emission from Active Galactic Nuclei, (MPE: Garching, Germany), pp. 271--274.

1985 ``The evaluation of charge-coupled devices for spectroscopic X-ray imaging (1--8 kev)'', R. E. Griffiths, in Advances in Electronics and Electron Physics, Proc. Eighth Symposium on Photoelectronic Image Devices, Imperial College, London (Academic Press: London), pp. 483--496.

1985 ``An Advanced Radial Camera for the Hubble Space Telescope '', R. E. Griffiths, H. R. Butcher, G. E. Danielson, A. Delamere, H. Ford, J. E. Gunn, J. P. Henry, J. G. Hoessel, G. Illingworth, R. Kron, C. Norman, and H. Reitsema, in Solid State Imagers and Their Applications, ed. G. J. Declerck, Proc. SPIE, 591, pp. 159--177.

1986 ``Advances in CCD Technology and Their Implications for Space Astronomy'', R. E. Griffiths, in The Optimization of the Use of CCD Detectors in Astronomy, Proc. ESO/OHP Workshop, eds. J.-P.Baluteau and S.d'Odorico, (ESO: Garching, Germany), pp. 63--71.

1987 ``Quasars contributing to the Extragalactic X-ray Flux: the Deep X-ray Survey in Pavo'', R. E. Griffiths, I. R. Tuohy, R. J. V. Brissenden, M. Ward, S. S. Murray, and R. Burg, in The Post-Recombination Universe, Proc. NATO Advanced Science Institutes Series, eds. Kaiser, N. and Lasenby, A. N., (Kluwer: Dordrecht,Holland), p. 91

1988 ``A Joint Deep X-Ray and UV-excess Survey for Quasars'', R. E. Griffiths, I. R. Tuohy, R. J. V. Brissenden, M. Ward, S. S. Murray, and R. Burg, in Optical Surveys for Quasars, Astronomical Society of the Pacific Conf. Series, eds. P. S. Osmer, A. C. Porter, R. F. Green, C. B. Foltz, ( BookCrafters, Inc.: Provo,UT), vol. 2, p.351.

1989 ``Star Formation and the X-ray Background'', R. E. Griffiths, in The Epoch of Galaxy Formation, Proc. NATO Advanced Science Institutes Series C: Mathematical and Physical Sciences, eds., C. S. Frenk, et al., (Kluwer: Dordrecht,Holland), vol. 264, p. 235.

1990 ``The X-ray Background from Star-Forming Galaxies'', R. E. Griffiths, in Galactic and Extragalactic Background Radiation, Proc. IAU symposium 139, eds. S. Bowyer and C. Leinert, (Kluwer: Dordrecht, Holland), p.412.

1990 ``The Operational Optimization of the TI 3-phase CCD in the Hubble Space Telescope'', R. E. Griffiths, S. P. Ewald and J. W. MacKenty, in CCD's in Astronomy, ed. George H. Jacoby, Astr. Soc. of the Pacific Conf. Series, (Provo, UT: BookCrafters, Inc.), vol. 8, p. 231.

1990 ``Scientific Requirements for Studying the Composition of the X-ray Background'', R. E. Griffiths, in High Energy Astrophysics in the 21st Century, ed. P. C. Joss, AIP Conf. Proc. vol. 211, (AIP: New York), p. 99

1990 ``Active Star-forming Galaxies in the X-ray Foreground'', R. E. Griffiths and P. Padovani, in AGN and the X-ray Background, Proc. 23rd ESLAB symposium, (ESA SP-296 vol. 2), p.743.

1991 ``AGN and Starburst Galaxies in Deep ROSAT Surveys'', R. E. Griffiths, T. Shanks, B. J. Boyle, G. C. Stewart and I. Georgantopoulos, in Frontiers of X-ray Astronomy, eds. Y. Tanaka and K. Koyama, (Universal Academy Press, Tokyo), p. 203.

1992 ``Deep ROSAT Observations in QSO Survey Fields '', R. E. Griffiths, T. Shanks, B. J. Boyle, G. C. Stewart I. Georgantopoulos, in The X-ray Background, eds. X. Barcons and A. C. Fabian, (Cambridge University Press), p. 269.

1992 ``Initial Results From A Deep ROSAT Survey in Lynx'', S. F. Anderson, R. A. Windhorst, T. Maccacaro, D. Burstein, B. E. Franklin, R. E. Griffiths, D. C. Koo, D. F. Mathis, W. A. Morgan, and L. W. Neuschaefer, in X-ray Emission from Active Galactic Nuclei and the Cosmic X-ray Background, eds. W. Brinkmann and J. Trumper, (MPE: Garching, Germany), p. 227.

1992 ``The ROSAT Autocorrelation Function of the X-ray Background'', I. Georgantopoulos, G. Stewart, R. Griffiths, T. Shanks, and B. Boyle, in X-ray Emission from Active Galactic Nuclei and the Cosmic X-ray Background, eds. W. Brinkmann and J. Trumper, (MPE: Garching, Germany), p. 368.

1992 ``The Hubble Space Telescope Medium Deep Survey: Status Report and First Results'' , R. Griffiths, Ratnatunga, K., Doxsey, R., Ellis, R, Glazebrook, K., Gilmore, G., Elson, R., Schade, D., Green, R., Valdes,F., Huchra, J., Illingworth, G., Koo, D., Schmidt, M., Tyson, A., Windhorst, R., Neuschaefer, L., Pascarelle, S., and Schmidtke, P. in Science with the Hubble Space Telescope, Proc. ST-ECF/STScI Workshop, Eds. P. Benvenuti and E. Schreier, (European Southern Observatory: Munich, Germany), p. 13

1992 ``The HST Medium Deep Survey Database'', Ratnatunga, K. U., and Griffiths, R. E., in Astronomy from Large Databases II, eds. Heck, A., and Murtagh, F., ESO Conference Proceedings No. 43, (European Southern Observatory: Garching, Germany), p. 475.

1992 ``Science with the Second Wide Field/ Planetary Camera'', Trauger, J., Burrows, C., Clarke, J., Crisp, D., Gallagher, J., Griffiths, R., Hester, J., Hoessel, J., Holtzmann, J., Mould, J., and Westphal, J., in Science with the Hubble Space Telescope, Proc. ST-ECF/STScI Workshop , eds. P. Benvenuti and E. Schreier, p. 509.

1993 ``Preliminary Results from the Hubble Space Telescope Medium-Deep Survey'', Griffiths, R., Ratnatunga, K., Neuschaefer, L., Windhorst, R., Pascarelle, S., Schmidtke, P.,, Ellis, R, Glazebrook, K., Gilmore, G., Elson, R., Schade, D., Green, R., Huchra, J., Illingworth, G., Koo, D., and Tyson, A., in Observational Cosmology, Astr. Soc. Pac. Conf. Series, Vol. 51, Eds. G. Chincarini, A. Iovino, T. Maccacaro, D. Maccagni, (Provo, UT: BookCrafters, Inc.), p. 320.

1993 ``Correlation Between Low Level Fluctuations in the X-ray Background and Faint Galaxies'' , Tolstoy, E., and Griffiths, R. E., in The Evolution of Galaxies and Their Environment: Contributed Papers, Proc. Third Tetons Summer School, eds. D. Hollenbach, H. Thronson and J. M. Shull, NASA Conf. Pub. 3190, p.99.

1993 ``Search for Starbursts among X-ray Selected Galaxies'', A. Fruscione, R. E. Griffiths and J. W. MacKenty, in Observational Cosmology, ASP Conf. Series, eds. G. Chincarini, A. Iovino, T. Maccacaro, and D. Maccagni, (Provo, UT: BookCrafters, Inc.), Vol. 51, p. 297

1993 ``Cosmology with Deep ROSAT X-ray Observations'', G. C. Stewart, I. Georgantopoulos, B. J. Boyle, R. E. Griffiths, and T. Shanks, in Observational Cosmology, Astr. Soc. Pac. Conf. Series, Vol. 51, Eds. G. Chincarini, A. Iovino, T. Maccacaro, D. Maccagni, (Provo, UT: BookCrafters, Inc.), p. 459.

1993 `` Evidence for a Tidal Interaction in the Seyfert Galaxy Markarian 315'', MacKenty, J. W., Simkin, S. M., Griffiths, R. E., and Wilson, A., in Mass-Transfer Induced activity in Galaxies, Univ. Kentucky.

1994 ``An H-R Diagram for the LMC from the HST Medium-Deep Survey'', Forbes, D. A., Elson, R. A. W., Griffiths, R. E., Ellis, R. S., Gilmore, G., Green, R. F., Huchra, J. P., Illingworth, G. D., Koo, D. C., Ratnatunga, K., Tyson, A., and Windhorst, R. A., in Very High Angular Resolution Imaging, Proc. IAU Symposium no. 158

1994 ``The Medium Deep Survey using the Hubble Space Telescope'', Griffiths, R. E., Ratnatunga, K., Neuschaefer, L. W., Windhorst, R. A., Gordon, J., Schmidtke, P., Ellis, R. S., Gilmore, G. F., Elson, R. A. W., Schade, D. J., Koo, D. C., Illingworth, G. D., Forbes, D. A., Phillips, A. C., Huchra, J. P., Tyson, A. J. and Green, R. F., in Frontiers of Space and Ground-based Astronomy, Proc. XXVIIth ESLAB Symposium, Astrophysics and Space Science Library, Vol. 187, eds. W. Wamsteker, M. S. Longair, Y. Kondo (Dordrecht: Kluwer), p. 677.

1994 ``The HST Medium Deep Survey: Sizes of Galaxies at Moderate Redshift'', Griffiths, R. E., Ratnatunga, K., Neuschaefer, L. W., Windhorst, R. A., Gordon, J., Schmidtke, P., Ellis, R. S., Gilmore, G. F., Elson, R. A. W., Schade, D. J., Koo, D. C., Illingworth, G. D., Forbes, D. A., Phillips, A. C., Huchra, J. P., Tyson, A. J. and Green, R. F., in Evolution of the Universe and its Observational Quest, Proc. XXXVII Yamada Conference , ed. K. Sato, (Universal Academy Press, Tokyo), p. 387.

1994 ``Calibration of the HST Wide Field Camera for Quantitative Analysis of Faint Galaxy Image Parameters'', Ratnatunga, K. U., Griffiths, R. E., Casertano, S., Neuschaefer, L. W. Wyckoff, E. W., in Calibrating the Hubble Space Telescope, eds. J. C. Blades S. J. Osmer, Proc. STScI Workshop, (Baltimore, MD:STScI), p. 59

1994 ``Maximum likelihood estimation of galaxy Morphology: faint HST WFC images'', Ratnatunga, K. U., Griffiths, R. E. and Casertano, S., in The Restoration of HST Images and Spectra II, eds Hanisch, R. J., White, R., Proceedings of Space Telescope Science Institute Workshop, p. 333.

1995 ``The nature of faint galaxies from the Medium Deep Survey and other deep HST images'', Windhorst, R. A., Driver, S. P., Ostrander, E. J., Mutz, S. B., Schmidtke, P. C., Griffiths, R. E., Ratnatunga, K. U., Casertano, S., Im, M., Neuschaefer, L. W., Ellis, R. S., Gilmore, G. F., Elson, R. A. W., Glazebrook, K., Santiago, B., Keel, W. C., Koo, D. C., Illingworth, G. D., Forbes, D. A., Phillips, A. C., Green, R. F., Huchra, J. P., Tyson, A. J., in Galaxies in the Young Universe, Proceedings of the Max Planck Workshop, Eds. H. Hippelein, K. Meisenheimer, H. -J. Roeser (Berlin: Springer Verlag), in press

1995 ``The nature of microJansky radio sources and a possible SZ-decrement from an ultradeep VLA/HST survey'', Windhorst, R. A., Franklin, B. E., Pascarelle, S. M. Fomalont, E. B., Kellermann, K. I., Griffiths, R. E., Partridge, R. B., Richards, E., in Galaxies in the Young Universe, Proceedings of the Max Planck Workshop, Eds. H. Hippelein, K. Meisenheimer, H. -J. Roeser (Berlin: Springer Verlag), in press

1995 ``Caught in the act: The identification of the galaxies responsible for the faint blue excess'', Driver, S. P., Windhorst, R. A., Griffiths, R. E., in New Light on Galaxy Evolution, Proc. IAU Symposium 171, eds. R. L. Davies, R. Bender (Dordrecht: Kluwer), 000--004, in press.

1995 ``Calibration of WFPC2 Images for the HST Medium Deep Survey'', Ratnatunga, K. U., Griffiths, R. E., Neuschaefer, L. W. Ostrander, E. J., in Calibrating Hubble Space Telescope: Post Servicing Mission, eds. Koratkar, A. Leitherer, C., (Baltimore: Space Telescope Science Institute), p. 351

1996 ``XMM and the Spectra of Sources Contributing to the Extragalactic X-ray Background'', Griffiths, R. E. Della Ceca, R., in The Eleventh International Colloquium on UV and X-ray Spectroscopy of Astrophysical and Laboratory Plasmas, eds. Yamashita, K. Watanabe, T., (Tokyo: Universal Academy Press), p. 235

1996 ``The Cosmological Evolution of X-ray Selected Narrow Emission Line Galaxies'', Griffiths, R. E., Della Ceca, R., Georgantopoulos, I., Stewart, G. C., Boyle, B. J., Shanks, T. Fruscione, A., in Roentgenstrahlung from the Universe, eds. Zimmermann, H. U., Trumper, J. E., Yorke, MPE Report 263, Garching, p. 449

1996 ``The faint galaxy Contribution to the X-ray background'', Shanks, T., Almaini, O., Boyle, B, J., Della Ceca, R., Done, C., Georgantopoulos, I., Griffiths, R. E., Rawlings, S. J., Roche, N., Stewart, G. C., in Roentgenstrahlung from the Universe, eds. Zimmermann, H. U., Trumper, J. E., Yorke, MPE Report 263, Garching, p. 341

1996 ``ASCA Observations of Star-forming Dwarf Galaxies'', Della Ceca, R., Griffiths, R. E., Heckman, T. Norman, C., in Roentgenstrahlung from the Universe, eds. Zimmermann, H. U., Trumper, J. E., Yorke, MPE Report 263, Garching, p. 369

1996 ``Cosmology with the HST Medium Deep Survey'', Griffiths, R. E., Ratnatunga, K. U., Im, M., Neuschaefer, L. W., Casertano, S., Roche, N., Ellis, R. S., Gilmore, G. F., Huchra, J. P., Tyson, A. J., Green, R. F. Windhorst, R. A., in Science with the Hubble Space telescope: II, ESO Conference and Workshop Proceedings, eds. Benvenuti, P. Schreier, E., in press

1996 ``New Einstein Cross Gravitational Lens Candidates in HST WFPC2 Survey Images'', Ratnatunga, K. U., Ostrander, E. J., Griffiths, R. E., Im, M., in Clusters, Lensing and the Future of the Universe, ASP Conference Series, Vol. 88, eds. Trimble, V. Reisenegger, A., p. 233

 1996 “The HST Medium Deep Survey: Galaxy Morphology at High redshift”, Griffiths,

R. E., Ratnatunga, K. U., Casertano, S., Im, M., Neuschaefer, L. W., Ellis, R. S.,

Gilmore, G. F., Elson, R. A. W., Glazebrook, K., Santiago, B., Windhorst, R. A.,

Driver, S. P., Ostrander, E. J., Mutz, S. B., Koo, D. C., Illingworth, G. D., Forbes,

D. A., Phillips, A. C., Green, R. F., Huchra, J. P., & Tyson, A. J., in Examining the

Big Bang and Diffuse Background Radiations, Proc. IAU Symposium 168, Kluwer,

Dordrecht, p. 219

1996 “New Einstein Cross Gravitational Lens Candidates in HST WFPC2 Survey Images”,

Ratnatunga, K. U., Ostrander, E. J., Griffiths, R. E., & Im, M., in Clusters,

Lensing and the Future of the Universe, ASP Conference Series, Vol. 88, eds.

Trimble, V. & Reisenegger, A., p. 233

1999 “Deep Survey X-ray Sources and Predictions for XMM and AXAF”, Griffiths, R.

E. and Ptak, A., in Proc. COSPAR Symposium “Broad Band X-ray Spectra of

Cosmic Sources”, Elsevier Science, Oxford, U. K., in press

1999 “The Growth and Evolution of Galaxies as Observed in HST Surveys”, Griffiths,

R. E. and Ratnatunga, K. U., in Proc. Xth Rencontres de Blois, “The Birth of

Galaxies”, in press

2000 “XEUS - the X-ray Evolving Universe Spectroscopy Mission”, Parmar, A.N., Peacock,

A., Bavdaz, M., Hasinger, G., Arnaud, M., Barcons, X., Barret, D., Blanchard, A.,

Bohringer, H., Cappi, M., Comastri, A., Courvoisier, T., Fabian, A.C., Griffiths,

R.E., malaguti, P., Mason, K.O., Ohashi, T., Paerels, F., Piro, L., Schmitt, J.,

van der klis, M., Ward, M., in Proc. Santorini Workshop “Large Scale Structure in

the X-ray Universe”, eds. I.Georgantopoulos et al., in press

2000 “Weak Gravitational Lensing Around Field Galaxies in HST medium Deep Survey

Images”, Casertano, S., Griffiths, R. E. & Ratnatunga, K., in Gravitational

Lensing: Recent Progress and Future Goals , eds. Brainerd, T. G. & Kochanek,

C. S., Astronomical Society of the Pacific Conference Series, in press.

2000 “Cosmology from HST Surveys: Gravitational Lensing and Shear”, Griffiths, R. E.,

Casertano, S. & Ratnatunga, K., in Fourth RESCEU International Symposium,

“Birth and Evolution of the Universe”, University of Tokyo

2000 “XEUS - The X-ray Evolving Universe Spectroscopy Mission”, Parmar, A. N.,

Peacock, T., Bavdaz, M., Hasinger, G., Arnaud, M., Barcons, X., Barret, D.,

Blanchard, A., Bohringer, H., Comastri, A., Courvousier, T., Fabian, A. C.,Griffiths,

R. E., Malaguti, P., Mason, K. O., Ohashi, T., Paerels, F., Piro, L., Schmitt, J.,

van der Klis, M. and Ward, M., in “ Large Scale Structure in the X-ray Universe”,

Proceedings of the 20-22 September 1999Workshop, Santorini, Greece, eds. Plionis,

M. & Georgantopoulos, I., Atlantisciences, Paris, France, p. 295.

2000 “The ASCA and ROSAT deep surveys”, Stewart, G. C. , Pappa, A., Georgantopoulos,

I. , Griffiths, R. E., Boyle, B. J., Shanks, T., Almaini, O. and Gunn, K., in “Large

Scale Structure in the X-ray Universe”, Proceedings of the 20-22 September 1999

Workshop, Santorini, Greece, eds. Plionis, M. & Georgantopoulos, I., Atlantisciences,

Paris, France, p.243.

2000 “Weak Gravitational Lensing around Field Galaxies in HST Medium Deep Survey

Images”, Casertano, S, Griffiths, R. E. and Ratnatunga, K. U., in “Gravitational

Lensing: Recent Progress and Future Goals”, Astr. Soc. Pacific Conf. Ser., Vol. 237,

eds. T. G. Brainerd and C. S. Kochanek, p. 387.

2000 “Detection of Gravitational Lens Candidates in HST WFPC2 Data”, Ratnatunga, K.

U., Griffiths, R. E., and Knudson, A., in “Gravitational Lensing: Recent Progress

and Future Goals”, Astr. Soc. Pacific Conf. Ser., Vol. 237, eds. T. G. Brainerd and

C. S. Kochanek, p. 33.

2000 “Hot Gas and Black Hole Binaries in the Core of M82”, Griffiths, R. E., Ptak, A.,

Feigelson, E. D., Garmire, G., Townsley, L., Brandt, W. N., Sambruna, R., in “The

Central kiloparsec of Starbursts and AGN: the La Palma Connection”, Astr. Soc.

of the Pacific Conf. Ser., Vol. 249, eds. J. H. Knapen, J. E. Beckman, I. Schlosman,

and T. J. Mahoney, (San Francisco: ASP), p. 432.

2001 “Overpressurized Hot Gas in the Core of M82”, Griffiths, R. E., Ptak, A., Feigelson,

E. D., Garmire, G., Townsley, L., Brandt,W. N., Sambruna, R., in “Gaseous Matter

in Galaxies and Intergalactic Space”, 17th IAP Astrophysics Colloquium, eds. R.

Ferlet, M. Lemoine, J.-M. Desert, B. Raban, (Frontier Group),

2001 “Resolving the X-ray Spectral Paradox: XMM-Newton Spectra of Faint Sources in the

Lockman Hole”, Grifiths, R. E., Ptak, A. and Miyaji, T., in Lighthouses of the

Universe: the Most Luminous Celestial Objects and their Use for Cosmology”, ESO

Astrophysics Symposia, eds. M. Gilfanov, R. Sunyaev, E. Churazov, (Springer), p.

568.

2001 “XAssist: a System for the Automated Analysis of X-ray Astrophysics Data”, Ptak,

A., Griffiths, R. E., Bull. AAS. 198, 0311.

2001 “Resolving the X-ray Spectral Paradox: XMM-Newton Spectra of Faint Sources in the

Lockman Hole”, Griffiths, R. E., Ptak, A. and Miyaji, T., in “New Century of

X-ray Astronomy”, Astr. Soc of the Pacific Conf. Ser., Vol. 251, eds. H. Inoue and

H. Kunieda, p. 450.

2001 “Deep Surveys with XMM-Newton and CXO: Comparison of HDF-N Results and

Comments on the X-ray Evolution of Galaxies”, Griffiths, R. E., Miyaji, T.,

Ptak, A. & Lumb, D., in “New Visions of the X-ray Universe”, eds. F. Jansen et

al, ESTEC, The Netherlands

2002 “Resolving the X-ray Spectral Paradox: XMM-Newton Spectra of Faint Sources in

the Lockman Hole”, Griffiths, R. E., Ptak, A. and Miyaji, T., in “New Trends

in Theoretical and Observational Cosmology”, RESCEU International Symp. Ser.

No. 5, eds. K. Sato and T. Shiromizu, (Universal Academy Press)., p. 97.

2002 “Chandra/XMM Observations of Galaxies and their Evolution” Griffiths, R. E.,

Miyaji, T., & Ptak, A., Proc. Galaxy Evolution: Theory and Observations”, Cozumel,

Mexico

2002 “Probing the Ionization Structure of the Extended Narrow Line Region in NGC4151”,

Schurch, N. J., Warwick, R. S., Kinkhabwala, A., Griffiths, R. E., Kahn, S. M.,

in Active Galactic Nuclei: from Central Engine to Host Galaxy”, eds. S. Collin, F.

Combes & I. Shlosman, ASP Conf. Series, p. 31.

2003 “Galaxy Evolution in the Deep X-ray Surveys with XMM-Newton and the Chandra

X-ray Observatory”, Griffiths, R. E., in Proc. EuroKiel meeting on Galaxy

Evolution

2003 “XAssist: a System for the Automation of X-ray Astrophysics”, Ptak, A. & Griffiths,

R.E., Proc. ASPC, 295, 465.

2004 “Galaxies at the Limits of Deep X-ray Surveys: Galaxies or AGN”, Griffiths, R.E.,

Miyaji, T. & Knudson, A., in Proc. Guillermo Haro Conf. 2003 ” Multiwavelength

AGN Surveys”, eds. Mujica, R. & Maiolino, R., p. 29.

2005 ” Galaxies Beyond the Limits of Current Deep X-ray Surveys: Results of Stacking”,

Griffiths, R. E., Miyaji, T. & Knudson, A., in Proc. ”The X-ray Universe 2005”,

ESA SP-604, p. 831

2005 “Evidence for High-Energy Curvature in the XMM-Newton Spectrum of the ULX

NGC1313 X-1”, Dewangan, G. C., Griffiths, R. E., Rao, A. R., astro-ph 0511112

2006 ”Requirements on Extremely Large Telescopes from the perspective of X-ray astronomy”,

Griffiths, R. E., in Proc. IAU Symposium 232, ”The Scientific Requirements for

Extremely Large Telescopes”, eds. Whitelock, P. A., Dennefeld, M., & Leibundgut,

B., Cambridge University Press, p.209.

2006 ”Beyond the Limits of Deep X-ray Surveys: Galaxies or AGN ?”, Griffiths, R. E.,

Miyaji, T., Knudson, A. & Schurch, M., in Proc. IAU Symposium 230, ”Populations

of High Energy Sources in Galaxies”, eds. Meurs, E. J. A. & Fabbiano, G.,

Cambridge University Press, p. 438.

2006 ”Prospects and Requirements for Measurements of Extragalactic

Gamma-ray lines”,Griffiths, R. E., in Focusing Telescopes in Nuclear Astrophysics”, reprinted from ”Experimental

Astronomy”, Vol. 20, Nos. 1-3, Proc. Gamma-Wave ’05, Springer, pp. 23-30.

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