Carl Edward Sagan (November 9, 1934 – December 20, 1996) was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences. He is best known for his work as a science popularizer and communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space: the Pion…
Acting
23
14
Male
Brooklyn, New York City, New York, USA
November 9, 1924
December 20o 1996
Carl Edward Sagan
Καρλ Σέιγκαν
Καρλ Έντουαρντ Σέιγκαν
Карл Эдвард Саган