Category
page 1American astrobiologists
Carl Sagan
American astrophysicist, cosmologist and author (1934–1996)
Baruch Samuel Blumberg
American physician, geneticist and Nobel prize winner (1925–2011)
Joshua Lederberg
American molecular biologist (1925–2008)
Jill Tarter
American astronomer
Peter D. Ward
American paleontologist
Karen Jean Meech
American astronomer
Margaret Turnbull
American astronomer
George E. Fox
American biologist
Seth Shostak
astronomer
Donald E. Brownlee
American astronomer
Christopher McKay
American planetary scientist
Robert M. Hazen
Research scientist at Carnegie Institution for Science
Wolf V. Vishniac
American biologist (1922–1973)
David Grinspoon
American astronomer
Steven J. Dick
American astronomer, science historian
Jonathan Lunine
planetary scientist
Lynn J. Rothschild
American evolutionary biologist, astrobiologist, and synthetic biologist
Imre Friedmann
American biologist (1921–2007)