Astrobiologists
Carl Sagan
(Astronomer and Planetary Scientist Best Known for His Scientific Contribution in Research on Extraterrestrial Life)
David S. McKay(American Astrobiologist Best Known for Claiming to Have Found Evidence of Microscopic Life on a Martian Meteorite)
(American Astrobiologist Best Known for Claiming to Have Found Evidence of Microscopic Life on a...
Gerald Alan Soffen(Biologist)
(Biologist)