List of Famous Astrophysicists - Biographies, Timelines, Trivia & Life History
Ethan Hayes
Updated on January 17, 2026
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.