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Astrobiologists
American astrobiologists
Fictional astrobiologists
Carl Sagan
Seth Shostak
Lynn J. Rothschild
Sara Seager
Joshua Lederberg
Paul Davies
Douglas Vakoch
Antígona Segura
Lisa Kaltenegger
Douglas Vakoch
Zita Martins
Pascale Ehrenfreund
David Grinspoon
Richard B. Hoover
Robert Hazen
James L. Green
Adrian Melott
Duncan Steel
Janet Siefert
Caleb Scharf
Daniel Apai
Steven J. Dick
David S. McKay
George E. Fox
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