Vera C
Rubin
Staff Member, Astronomy
Carnegie Institution of Washington
1993
Astronomy & Space
For her pioneering research programs in observational cosmology which demonstrated that much of the matter in the universe is dark and for significant contributions to the realization that the universe is more complex and more mysterious than had been imagined.
Presented by President Clinton and Vice President Gore at a ceremony on the White House South Lawn, September 30, 1993.