Vote for Your Favourite Astrobiologists

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Carl Sagan
(Astronomer and Planetary Scientist Best Known for His Scientific Contribution in Research on Extraterrestrial Life)
Carl Sagan
Birthdate: November 9, 1934
Sun Sign: Scorpio
Birthplace: Brooklyn, New York, United States
Died: December 20, 1996
Pulitzer- and Emmy-winning astrophysicist and author Carl Sagan was best known for co-writing the TV series Cosmos: A Personal Voyage. His novel Contact was adapted into a film. He was known for his extensive research on extra-terrestrial life, had taught at major universities, and written countless papers and science books.
David S. McKay
(American Astrobiologist Best Known for Claiming to Have Found Evidence of Microscopic Life on a Martian Meteorite)
David S. McKay
Birthdate: September 25, 1936
Sun Sign: Libra
Birthplace: Titusville, Pennsylvania, United States
Died: February 20, 2013

David S. McKay was an astrobiologist who provided geology training to the first men to walk on the moon during the Apollo program in the 1960s. He worked as chief scientist for astrobiology at the Johnson Space Center. He extensively studied lunar dust and wrote over 200 papers on the topic. The asteroid 6111 Davemckay is named in his honor.  

Gerald Alan Soffen
Gerald Alan Soffen
Birthdate: February 7, 1926
Sun Sign: Aquarius
Birthplace: Cleveland, Ohio, United States
Died: November 22, 2000