SPECIALIZATIONS

astrometry, space astrometry, extragalactic astronomy,

applications of computers to astronomy

EDUCATION

B.S. 1967, University of Michigan, Astronomy
B.S. 1967, University of Michigan, Physics
M.S. 1969, Northwestern University, Astronomy
Ph.D. 1972, Northwestern University, Astronomy

EXPERIENCE

Space Interferometry Mission Mass-Luminosity Key Project, Deputy P.I. 2001 - present
University of Texas, Senior Research Scientist - 1997
Space Interferometry Mission Science Working Group 1996 - 2000
Hubble Space Telescope, General Observer 1994 - present
Hubble Space Telescope Astrometry Science Team, Deputy P.I. 1993 - 2002
McDonald Observatory and Astronomy Department Astronomical Data Reduction and Analysis

System Manager, 1981 - 1984

Monsanto Research Corporation, Consultant 1979 - 1981
University of Texas, Research Scientist 1979 - present
Hubble Space Telescope Astrometry Team Member

1977 - present

University of Texas, Part-time Assistant Professor 1977 - 1982

University of Texas, Research Scientist Associate V
1977 - 1979

University of Texas, Research Scientist Associate IV
1972 - 1977

Boller and Chivens (Perkin-Elmer), Consultant 1973 - 1976
Adler Planetarium/De Paul University, Instructor 1971-1972
Northwestern University, Research Assistant 1968 - 1972
Northwestern University, Teaching Assistant 1967 - 1968
University of Michigan, Research Assistant 1967

Education and Public Outreach

University of Continuing Education Association (UCEA) Faculty of the Year 2009
McDonald Observatory Board of Visitors Teaching Award 2008-2009
American Astronomical Society Shapley Memorial Lecture
Series, Lecturer 1982 - present

University of Texas, Senior Lecturer 1982 - present
University of Texas, Part-time Assistant Professor 1977 - 1982

McDonald Observatory Education and Public Outreach Advisory Board 1995 – present
Lifetime Learning Institute Instructor 1990 – present
University of Texas Continuing Education (LAMP, SAGE, Quest) Instructor 2000 – present

Professional and Learned Societies

American Astronomical Society

Secretary 2010-2013

AAS Division on Dynamical Astronomy
Chairman 1998-9
Vice-Chairman 1997-8
Member, Executive Committee 1993 - 1995

AAS Division of Planetary Sciences

International Astronomical Union
Working Group on Galaxy Photometry
Informal Working Group on Astronomical Image Processing