Education
Ph.D., University of Minnesota, 1972
M.S., University of Minnesota, 1969
B.S. (with highest honors), University of Texas at Austin, 1967
Professional Background
- Fellow, Minnesota Supercomputing Institute, 1988-present
- Interim Director, Minnesota Supercomputing Institute, 2008-2010
- Chairman of the Department of Astronomy, 1981-1997
- Professor of Astronomy, University of Minnesota, 1984
Scientific & Professional Societies
Fellow, American Physical Society
American Astronomical Society
International Astronomical Union