Carl Edward Sagan was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences. His contributions were central to the discovery of the high surface temperatures of Venus. However, he is best known for his contributions to the scientific... Wikipedia
November 9, 1934, Brooklyn, New York, United States
December 20, 1996, Seattle, Washington, United States