Carl Sagan Medal People (First 9 people) - Page 0
Carl Sagan
American astronomer
Heidi Hammel
Astronomer
Hail Sagan
Musical group
Rosaly Lopes
Geologist
William Kenneth Hartmann
Planetary scientist
Bonnie Buratti
American planetary scientist
André Brahic
French astrophysicist
David Grinspoon
American astrobiologist
