• Born date: 1934-11-09
  • Born in: Brooklyn
  • Death date: 1996-12-20
  • Death in: Seattle
Carl Sagan

Carl Edward Sagan (/ˈseɪɡən/; November 9, 1934 – December 20, 1996) was an American astronomer, astrophysicist, cosmologist, 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.