Professional Vita: Michael Bolte

Education

• Ph. D., M. S., Astronomy and Astrophysics, University of Washington, December, 1987.
• M. S., Physics, Florida State University, Tallahassee, 1979.
• B. S., Physics, University of Central Florida, Orlando, 1977.

Positions

• Director, University of California Observatories, 2006 - present

• Interim Director, University of California Observatories, 2005 - 2006

• Professor/Astronomer, UCO/Lick Observatory and the Department of Astronomy and Astrophysics, University of California at Santa Cruz, 1999 - present.

• Associate Astronomer/Associate Professor, UCO/Lick Observatory and the Department of Astronomy and Astrophysics, University of California at Santa Cruz, 1997 - 1999.

• Assistant Astronomer/Assistant Professor, UCO/Lick Observatory and the Department of Astronomy and Astrophysics, University of California at Santa Cruz, 1993 - 1996.

• Hubble Postdoctoral Fellow, UCO/Lick Observatory, University of California at Santa Cruz, 1990-1993.

• Postdoctoral Research Associate, Dominion Astrophysical Observatory, 1987-1990

Professional Activities

• Member, CARA Board of Directors, 2005 - present
• Member, Thirty-Meter Telescope Board of Directors, 2006 - present
• Member, CELT Board of Directors, 2005 - 2006
• Member, Search Committee for the Observatory KPNO Director 2007
• Member, Search Committee for the Keck Observatory Director 2006
• Chair, Science Advisor Committee for Thirty Meter Telescope, 2004 - 2005
• PI, Low-Resolution Imaging Spectrometer (Keck) redside upgrade 2005 - 2007
• Member, Advanced Technology and Instrumentation NSF panel 2004
• Chair, UC Keck Time Allocation Committee, 2005 - present
• Member, NSF Giant Segmented Mirror Telescope Science Working Group 2003 -
• Co-Chair, Steering Committee for CELT 30m telescope, 2000 - 2003
• Co-Chair, Science Steering Committee, W.M. Keck Observatory, 1999 - 2004
• Member, NSF Astronomy Program Review Committee 2002
• Chair, Galactic TAC, KPNO, Fall 2000
• Member, STScI Hubble Fellow panel, 2000
• NASA/NSF SIM Panel 1999
• Co-PI, Keck Echellete Spectrograph and Imager, 1997-1999
• Associate Chair, Department of Astronomy and Astrophysics, UCSC, 1998 - 2000
• Shane 3m Telescope Scientist, 1998 - 1999
• Chair, Keck Low-Resolution Imaging Spectrograph Users' Committee 1997 - 1999
• Member, IRAF Users' Group, 1997 -
• Member, Kitt Peak Time Allocation Committee 1994 - 1997
• P.I., Lick 3m Prime Focus Camera, 1996 - 1998
• Member, Space Telescope Advisory Committee 1996
• Member, National Science Foundation Panel, Galactic Structure, 1995
• Member, Scientific Organizing Committee Aspen Center for Physics Winter Conference on the Extragalactic Distance Scale, 1992.
• Member, Cerro Tololo Users' Committee 1990 - 1992

Grants as PI

• 2005-2009, NSF "Abundance Patterns in Extremely Metal-Poor Stars: SNII, Pop III and the early Galaxy", $152,403
• 2008-2010, Gordon and Betty Moore Foundation, ``Completion of Design and Development Phase of the Thirty-Meter Telescope'', (Co-PI) $7.5M
• 2005-2008, CARA, "LRIS-R Detector Upgrade, $1.3M
• 2005-2008, NSF ``Stellar Physics from Complete Star Samples in Globular Clusters'', $51,790
• 2006, NSF supplement to ``Abundances for Extremely Metal-poor Stars'', $31,250
• 2003-2006, Gordon and Betty Moore Foundation, ``Design and Development Phase for the CELT 30m Telescope" (Co-PI), $17.5M
• 2003-2006, NSF ``White Dwarfs in Open Clusters'', $274,000
• 2001-2004, NSF ``Fundamental Stellar Physics from Large-Sample Globular Cluster Photometry'' (with Eric Sandquist, San Diego State University)
• 2001-2004, NSF ``Abundances for Extremely Metal-poor Stars'' $198,00
• 1999-2002, NSF ``The Galaxy Luminosity Function at z=0'' $293,500
• 1999 STScI ``The Completion of the Age Profile of the Outer Halo'', $14,868
• 1999 STScI ``The White Dwarf Luminosity Function in NGC 188'', $36,565
• 1998-1999 CalSpace ``The Galaxy Luminosity Function at z=0'', $28,927
• 1995-1997, STScI ``Blue Straggler Stars, Stellar Collisions and the Fate of Globular Clusters'', $31,597
• 1995-1996, CalSpace ``A Critical Test of Pop II Stellar Evolution Models'', $12,285
• 1995-1999, NSF ``Globular Clusters, Stellar Collisions, Dark Matter Halos and the Age of the Universe Problem'', $148,000
• 1994-1996, STScI, ``Ages for the Oldest Star Clusters in the LMC'', $43,923
• 1994-1996, STScI, ``The Formation of the Galaxy: Ages for Globular Clusters in the Remote Halo'', $21,084
• 1994-1996 STScI, Low Luminosity Stars in Globular Clusters'', $26,309
• 1994-1995 CalSpace, ``The Age of the Universe Problem'', $23,002
• 1990-1993 STScI, The Formation of the Galaxy Utilizing Investigations of Globular Clusters'', $165,498

Papers Published in Refereed Journals or Books

1. ``Detailed Abundances for 28 Metal-poor Stars: Stellar Relics in the Milky Way'', (Lai, David K.; Bolte, Michael; Johnson, Jennifer A.; Lucatello, Sara; Heger, Alexander; Woosley, S. E.), 2008, ApJ, 681, 1524

2. ``The White Dwarf Population in NGC 1039 (M34) and the White Dwarf Initial-Final Mass Relation", (Rubin, Kate H. R.; Williams, Kurtis A.; Bolte, M.; Koester, Detlev), 2008, AJ, 135, 2163.

3. ``Carbon and Strontium Abundances of Metal-poor Stars", (Lai, David K.; Johnson, Jennifer A.; Bolte, Michael; Lucatello, Sara), 2007, ApJ, 667, 1185.

4. ``Photometry of the Globular Cluster NGC 5466: Red Giants and Blue Stragglers", (Fekadu, Nassissie; Sandquist, Eric L.; Bolte, Michael), 2007, ApJ, 663, 277

5. ``A Photometric and Spectroscopic Search for White Dwarfs in the Open Clusters NGC 6633 and NGC 7063'', (Williams, Kurtis A.; Bolte, Michael), 2007, 133, 1490.

6. ``The Blue Straggler Population of the Globular Cluster M5: Comparison with M3'', (Warren, Steven R.; Sandquist, Eric L.; Bolte, Michael), 2006, ApJ, 648, 1026.

7. ``A Hot DQ White Dwarf in the Open Star Cluster M35'', (Williams, Kurtis A.; Liebert, James; Bolte, Michael; Hanson, Robert B.), 2006, ApJ, 643, 127.

8. ``The Unusual Luminosity Function of the Globular Cluster M10'' (Pollard, D. L., Sandquist, E. L., Hargis, J. R. & Bolte, M.) 2005, ApJ, 628, 729

9. ``The Blue Straggler and Main-Sequence Binary Population of the Low-Mass Globular Cluster Palomar 13'' (Clark, L. L., Sandquist, E. L. & Bolte, M.) 2004, AJ 128, 3019

10. ``An Empirical Initial-Final Mass Relation from Hot, Massive White Dwarfs in NGC 2168 (M35)'', (Williams, K., Bolte, M. & Koester, D.), 2004, ApJ, 615, 49.

11. ``Abundances of Extremely Metal-poor Star Candidates'', (Lai, D. K., Bolte, M., Johnson, J. A. & Lucatello, S.), 2004, AJ, 128, 2402.

12. ``Spectroscopic Identification of Faint White Dwarf Candidates in the Praesepe Open Star Cluster", (Williams, K. A., Bolte, M. & Leibert, J. W.), 2004, AJ, 128, 1784.

13. ``Exploring the Upper Red Giant and Asymptotic Giant Branches: The Globular Cluster M5", (Sandquist, E. L. & Bolte, M.), 2004, AJ, 128, 1784.

14. ``The Luminosity Function and Color-Magnitude Diagram of the Globular Cluster M12", (Hargis, J. R., Sandquist, E. L. & Bolte, M.), 2004, ApJ, 611, 323.

15. ``The s-Process in Metal-Poor Stars: Abundances for 22 Neutron-Capture Elements in CS 31062-050", (Johnson, J. A. & Bolte, M.), 2004, ApJ, 605, 462.

16. ``Photometry and Spectroscopy of GRB 030329 and Its Associated Supernova 2003dh: The First Two Months'', (Matheson, T., et al.), 2003, ApJ, 599, 394.

17. ``The White Dwarf Deficit in Open Clusters: Dynamical Processes'', (Fellhauer, M., Lin, D. N. C., Bolte, M, Aarseth, S. J. & Williams, K. A.), 2003, ApJ, 595, 53.

18. ``The C IV Mass Density of the Universe at Redshift 5'', (Pettini, M., Madau, P., Bolte, M., Prochaska, J. X., Ellison, S. L. & Fan, X.), 2003, ApJ, 594, 695.

19. ``The Missing Intermediate Luminosity Galaxies in the Leo I Group'', (Flint, K., Bolte, M. & Mendes de Oliveira, C.) 2003, Ap&SS, 285, 191.

20. ``Toward a Precise Measurement of Matter Clustering: Ly Forest Data at Redshifts 2-4'', (Croft, R. A. C., Weinberg, D. H., Bolte, M., Burles, S., Hernquist, L., Katz, N., Kirkman, D., & Tytler, D.) 2002, ApJ, 581, 20.

21. ``Abundances in the Very Metal-poor s-process-rich Star CS 22183-015'', (Johnson, J. A. & Bolte, M.), 2002, ApJ, 579, L87.

22. ``The r-process in the Early Galaxy'', (Johnson, J. A. & Bolte, M.), 2002, ApJ, 579, 616.

23. ``Determination of the Dark Matter Profile of A2199 from Integrated Starlight', (Kelson, D. D., Zabludoff, A. I., Williams, K. A., Trager, S. C., Mulchaey, J. S. & Bolte, M.), 2002, ApJ, 576, 720.

24. ``The White Dwarf Cooling Sequence in the Old Open Cluster NGC 188'', (Andreuzzi, G., Richer, H. B., Limongi, M. & Bolte, M.), 2002, A&A, 390, 961.

25. ``ESI, a New Keck Observatory Echellette Spectrograph and Imager'', (Sheinis, A. I., Bolte, M., Epps, H. W., Kibrick, R. I., Miller, J. S., Radovan, M. V., Bigelow, B. C. & Sutin, B. M.), 2002, PASP, 114, 851.

26. ``Globular Clusters around Galaxies in Groups'', (Da Rocha, C., de Oliveira, C. M., Bolte, M., Ziegler, Bodo L. & Puzia, T. H.), 2002, AJ, 123, 690.

27. ``Tidal dwarf galaxies in the Stephan's Quintet?'', Amram, P., Mendes de Oliveira, C., Plana, H., Balkowski, C. & Bolte, M.), 2002 Ap&SS, 281, 397.

28. ``Thorium Ages for Metal-poor Stars'', (Johnson, J. A. & Bolte, M.), 2001, ApJ, 554, 888.

29. ``The Z=0 Galaxy Luminosity Function. I. Techniques for Identification of Dwarf Galaxies at ~10 MPC'', (Flint, K., Metevier, A. J., Bolte, M. & Mendes de Oliveira, C.), 2001, ApJS, 134.

30. ``Candidate Tidal Dwarf Galaxies Associated with Stephan's Quintet'', (Mendes de Oliveira, C., Plana, H., Arman, P., Balkowski, C. & Bolte, M.) 2001, AJ, 121, 252

31. ``The Dwarf Galaxy Population of the Dorado Group Down to Mv~ -11'', (Carrasco, E. R., Mendes de Oliveira, C., Infante, L. & Bolte, M.), 2001, AJ, 121, 148.

32. ``Neutron-Capture Element Abundances in the Globular Cluster M15'', (Sneden, C., Johnson, J. A., Kraft, R. P., Smith, G. H., Cowan, J. J. & Bolte, M.), 2000, ApJ, 536, L85.

33. ``Abundances of Neutron-rich Elements in the Globular Cluster M15'', (Sneden , C., Kraft, R. P., Johnson, J. & Bolte, M.), 2000, ApJ, 536, L85.

34. ``Globular Cluster Giant-Branch Luminosity Functions: ``Extra Stars'' and De ep Mixing'', (Langer, G. E., Bolte, M. & Sandquist, E.), 2000, ApJ 529, 936.

35. ``Ages for the Oldest Clusters in the Large Magellanic Clouds: Hubble Space Telescope Observations of NGC 1466, NGC 2257 and Hodge 11'', Johnson, J. J., Bolte, M., Stetson, P. B., Hesser, J. E., 1999, ApJ, in press.

36. ``Detection and Velocities of H Emission Regions in Stephan's Quintet'', (H. Plana, C. Mendes de Oliveira, P. Amram, M. Bolte, C. Balkowski, & J. Boulesteix), 1999, ApJ, 516, L69.

37. ```Extra' Stars and Deep Mixing in Globular Cluster Giants'', Langer, G. E., Bolte, M. & Sandquist, E., 1999, in press, ApJ.

38. ``Wide-Field CCD Photometry of the Globular Cluster M30'', Sandquist, E., Bolte, M. & Langer, G. E., 1999, ApJ, 518, 262. ApJ.

39. ``Ages for Globular Clusters in the Outer Galactic Halo: The Second Parameter Clusters Palomar 3, Palomar 4 and Eridanus'', (Stetson, P. B., Bolte, M., Harris, W. E., Hesser, J. E., Bell, R. A., van den Bergh, S., Johnson, J. A., Bond, H. E., Fahlman, G. G. & Richer, H. B.), 1999, AJ, 117, 247.

40. ``Extended Ionized Gas Emission and Kinematics of the Compact Group Galaxies in HCG 16: Signatures of Mergers'', (Mendes de Oliveira, C., Plana, H., Amram, P., Bolte, M. & Boulesteix, J.) ApJ, 507, 691.

41. ``Keck HIRES Abundances for Stars in the Dwarf Spheroidal Galaxy Draco'', (Shetrone, M., Bolte, M. & Stetson, P. B.), 1998, AJ, 115, 1888.

42. ``V, I Photometry of Nearby Globular Clusters: M3, M5, M13 and M92'', (Johnson, J. A. & Bolte, M.), 1997, AJ, 115, 693.

43. ``Spectroscopic Evidence for Small Metallicity Variations Among M92 Giants'', (Langer, G. E., Fischer, D., Sneden, C. & Bolte, M.) 1997, AJ, 115, 685.

44. ``NGC 2419, M92 and the Age Gradient in the Galactic Halo'', Harris, W.E., Bell, R. A., VandenBerg, D. A, Bolte, M., Stetson, P. B., Hesser, J. E., van den Bergh, S., Bond, H. E., Fahlman, G. G., Richer, H. B.) 1997, AJ, 114, 1030.

45. ``Galactic Globular Cluster Metallicity Scale from the Ca II Triplet I. Catalog'', (Rutledge, G. A., Hesser, J. E., Stetson, P. B., Mateo, M., Simard, L., Bolte. M., Friel, E. D. & Copin, Y.) 1997, PASP, 109, 883.

46. ``White Dwarfs in Globular Clusters: Hubble Space Telescope Observations of M4'', (with 14 authors), 1997, ApJ, 484, 741.

47. Anaemia Reveals Star's Great Age, (M. Bolte) 1997, Nature, 385, 205.

48. ``Composition Mixing during Blue Straggler Formation and Evolution'', (Sandquist, E. L., Bolte, M. & Hernquist, L.) 1997, ApJ, 477, 335.

49. ``Globular Clusters: Old'', in Critical Dialogues in Cosmology, 1997, ed. N. G. Turok, Princeton University Press, p156.

50. ``The Age of the Universe'', (Spergel, D. N., Bolte, M. & Freedman, W.), 1997, Proceedings of the National Academy of the Sciences, v94, 6579.

51. ``CCD Photometry of the Globular Cluster M5. I. The Color-Magnitude Diagram and Luminosity Functions'', (Sandquist, E. L., Bolte, M., Stetson, P. B. & Hesser, J. E.), 1996, ApJ, 470, 910.

52. ``BVRI Light Curves for 29 Type Ia Supernovae'', (with 37 authors), 1996, AJ, 112, 2408.

53. ``The Age of the Galactic Globular Cluster System'', (VandenBerg, D. A., Bolte, M. & Stetson, P. B.) 1996, Annual Review of Astronomy and Astrophysics, 34, 461.

54. ``The Relative Ages of Galactic Globular Clusters'', Stetson, P. B., VandenBerg, D. A. & Bolte, M.), 1996, PASP, 108, 560.

55. ``WFPC2 Photometry in Outer Halo Clusters'', (Harris, W. E., Stetson, P. B., Bolte, M., Fahlman, G. G., Hesser, J. E., McClure, R. D., Richer, H., Vandenberg, D. A. & van den Bergh, S.) in ``Calibrating Hubble Space Telescope: Post Servicing Mission'', ed. A. Koratkar and C. Leitherer, 1995, pg. 283.

56. ``Anticorrelated CN and CH Variations on the 47 Tucanae Main-Sequence Turnoff'', (Briley, M., Hesser, J. E., Bell, R. A., Bolte, M. & Smith, G.) 1994, AJ, 108, 2183

57. ``Oxygen Abundances in Halo Giants. VI. M10, A Globular Cluster with Metallicity Similar to M3 and M13'', (Kraft, R. P., Sneden, C., Langer, G. E., Shetrone, M. & Bolte, M.) 1995, AJ, 109, 2586.

58. ``Fossil Signatures of Ancient Accretion Events in the Halo'', (Johnston, K. V., Hernquist, L. & Bolte, M.), 1996, ApJ, 465.

59. ``Conflict over the Age of the Universe'', (Bolte, M. & Hogan, C. J.), 1995, Nature, 376, 399

60. ``CCD Photometry of the Globular Cluster M5. I. The Color-Magnitude Diagram and Luminosity Functions'', (Sandquist, E. L., Bolte, M., Stetson, P. B. & Hesser, J. E.), 1996, ApJ, 465, 278.

61. ``Hubble Space Telescope Observations of White Dwarfs in the Globular Cluster M4'', (with 12 authors), ApJ, 451, L17.

62. ``A Merger Origin for X Structures in S0 Galaxies'', (Mihos, C. J., Walker, I. A., Hernquist, L., Mendes de Oliveira, C. & Bolte, M), 1995, ApJ, 447, L87.

63. ``Modeling the Radial Distribution of Blue Straggler Stars in M3'', (Sigurdsson, S., Davies, M. B. & Bolte, M.), 1994, ApJL, 431, 115.

64. ``RR-Lyrae Stars and the Color Magnitude Diagram of the Globular Cluster NGC 6388'' (Silbermann, N. A., Smith, H. A., Bolte, M. & Hazen, M. L.), 1994, AJ, 107, 1764.

65. ``AH Cam - A Metal-Rich RR Lyrae Star with the Shortest Known Blazhko Period'': (Smith, H. A., Mattews, J. M., Lee, K. M., Williams, J., Silbermann, N. A., & Bolte, M.), 1994, AJ, 107, 679.

66. ``The Expanding Atmosphere Method Applied to SN 1992am at cz=14,600 km/s'', (with 18 authors), 1994, AJ, 107, 1444.

67. ``The Luminosity Function in the Globular Cluster M30: Is There a Problem with the Standard Stellar Models?'', (Bolte, M.), 1994, ApJ, 431, 223.

68. ``Measuring Globular Cluster Ages with High Precision'', invited talk in Galaxy Evolution: The Milky Way Perspective, (Bolte, M.) 1993, ASP Conf. Series, v.49, p.143, ed. S. W. Majewski.

69. ``Canada-France-Hawaii Telescope observations of globular cluster cores - Blue straggler stars in M3'', (Bolte, M., Hesser, J. E. & Stetson, P.), 1993, ApJL, 408, 89.

70. ``Globular Cluster Ages and the Formation of the Galactic Halo'', (Bolte, M.,) 1992, PASP, 104, 794.

71. ``Simulations of Globular Cluster Systems around Merger Remnants'', (Hernquist, L. & Bolte, M.), 1992, invited review in The Globular Cluster - Galaxy Connection, ASP Conf. Series v48, p788, eds. G. Smith & J. Brodie.

72. ``Do Age Differences Exist Between Galactic Globular Clusters?'', (Bolte, M.), invited review The Globular Cluster - Galaxy Connection, ASP Conf. Series v.48, p.60, eds. G. Smith & J. Brodie.

73. ``CCD Photometry of the Globular Cluster NGC 288 I: Blue Straggler Stars and Main-sequence Binaries'', (Bolte. M), 1992, ApJS, 82, 145.

74. ``The Photometric Binary Stars in Praesepe and the Search for Globular Cluster Binaries'', (Bolte, M.), 1991, ApJ, 376, 514.

75. ``The Near-Infrared Spectra of LMXB and Related Objects'', (Cowley, A. P., Schmidtke, P. C., Crampton, D., Hutchings, J. B. & Bolte, M.) 1991, ApJ, 373, 228.

76. ``Steps Toward Determination of the Size and Structure of the Broad-line Region in the Active Galactic Nuclei. II. An Intensive Study of NGC 5548 at Optical Wavelengths'', (with 63 collaborators), 1991, ApJ, 368, 119.

77. ``An Overview of the Galactic Cluster Systems'', (Hesser, J. & Bolte, M.) 1991, invited review for The Astronomy and Astrophysics Encyclopedia, Van Nostrand Reinhold, ed. S. Maran.

78. ``Measuring Age Differences Among Globular Clusters Having Similar Metallicities: A New Method and First Results'', (VandenBerg, D. A., Bolte, M. & Stetson, P. B.) 1990, AJ, 100, 445.

79. ``Age Differences Among Globular Clusters'' (invited review at the 1989 Kingston Meeting of Theoretical Astrophysics), (Bolte, M.), 1990, Journal of the Royal Astronomical Society of Canada, 84, 137.

80. ``CCD Photometry of the Globular Cluster NGC 1261'', (Bolte, M. & Marleau, F.), 1989, PASP, 101, 1088.

81. ``Optical Spectra near Maximum Light of the Type Ia Supernova 1989B'', (Bolte, M., Saddlemeyer, L., Mendes de Oliviera, C. & Hodder, P.), 1989, PASP, 101, 921.

82. ``The Age of the Globular Cluster NGC 288, the Formation of the Galactic Halo, and the Second Parameter Problem'', (Bolte, M.), 1989, AJ, 97, 1688.

83. ``Mass Segregation in the Globular Cluster M30'', (Bolte, M.), 1989, ApJ, 341, 168.

84. ``CCD Photometry of the Globular Cluster Pal 12'', (Stetson, P. B., VandenBerg, D. A., Bolte, M., Hesser, J. E. & Smith, G.), 1989, AJ, 97, 1360.

85. The Low Luminosity X-Ray Sources in Omega Centauri'', (Margon, B. & Bolte, M.), 1987, ApJ, 321, L61.

86. ``Deep CCD Photometry of the Globular Cluster NGC 7099'', (Bolte, M.), 1987, ApJ, 319, 760.

87. ``An X-ray Selected White Dwarf of Intermediate Luminosity'', (Margon, B., Bolte, M. & Anderson, S. F.), 1987, AJ, 93, 1229.

88. ``CCD Photometry of the Main Sequence of the Globular Cluster NGC 362'', (Bolte, M.), 1987, ApJ, 315, 469.

89. ``CH Cygni in 1983-1984: Transition to a Real Symbiotic Star?'', (Wallerstein, G., Bolte, M., Mateo, M. & Whitehill-Bates, P.), 1986, PASP, 98, 330.

90. ``Infrared Photometry of Cataclysmic Variables. I. Discovery of Ellipsoidal Variations in TW Virginis'', (Mateo, M., Szkody, P. & Bolte. M.), 1985, PASP, 97, 45.

Invited Lectures

• ``50 Years of Nucleosynthesis'' Caltech, July 2007
• American Association for the Advancement of Science Meeting, San Francisco, 2002.
• American Association for the Advancement of Science Meeting, Seattle, WA, 1997.
• ``Critical Dialogues in Cosmology'', Princeton University, 1996.
• ``Frontiers in Science'', National Academy of the Sciences Symposium, Irvine, CA, 1995.
• ``Formation of the Galactic Halo'', meeting in honor of George Preston, Tucson, AZ, 1995.
• American Astronomical Society Winter Meeting, Washington D.C., 1994.
• ``Dynamics of Dense Stellar Systems'', Institute for Theoretical Physics, UC Santa Barbara, 1994.
• Symposium to honor Dan Popper and Laurence Aller, UCLA, 1993.
• Symposium to honor Karl-heinz and Erica Bohm, University of Washington, 1993.
• ``The Globular Cluster - Galaxy Connection'', UC Santa Cruz, 1992.
• ``Kingston Meeting of Theoretical Astrophysics'', Victoria, B. C., 1990.

Colloquia

• University of California, Santa Cruz 2008
• University of California, Riverside 2008
• University of California, Santa Barbara 2007
• University of California, Davis 2007
• University of California, Santa Barbara 2006
• California Institute of Technology 2003
• University of California, Santa Cruz, 2002
• Harvard University, April 2000
• Wesleyan University, April 2000
• California Institute of Technology, November 1999
• University of California, San Diego, 1996
• University of Washington, 1995
• Princeton University, 1995
• University of California, Berkeley, 1995
• Cerro Tololo Inter-American University, 1995
• California Institute of Technology, 1994
• University of California, Santa Cruz, 1994
• University of New Mexico, 1993
• University of Central Florida, Orlando, 1993
• Chico State University, 1993
• University of California, Santa Cruz, 1993
• University of Hawaii, Honolulu, 1992
• University of Nevada, Las Vegas, 1992
• University of California, Berkeley, 1991
• University of California, Los Angeles, 1991
• Canada-France-Hawaii Corp, Waimea, 1991
• Stanford University, 1991
• University of California, Santa Cruz, 1990
• University of Victoria, 1990
• University of British Columbia, 1990
• Kitt Peak National Observatory, 1989
• Cerro Tololo Inter-American Observatory, 1989
• Dartmouth College, 1989

Invited Public Lectures

• CONTACT 2008, San Jose, CA
• Keck Observatory ``Evenings with Astronomers'' Lecture Series 2007
• Keynote Lecture, Advanced Imaging Conference 2007
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 2007
• San Jose Rotart Club 2006
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 2006
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 2005
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 2004
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 2004
• W.M. Keck Observatory Public Lecture Series, 2004
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 2003
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 2002
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 2001
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 2000
• Los Gatos Unitarian Church
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 1999
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 1998
• Benjamin Dean Lecture, Morrison Planetarium 1997
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 1997
• Lick Observatory ``Concert Under the Stars'' Lecture Series, 1994
• University of California, Santa Cruz Foundation Dinner, 1991
• Sigma Xi, University of California Chapter, 1991