Carl Sagan [1934-1996] American Rank: 4 Scientist, Astronomer
Carl Edward Sagan was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences. Science, Technology, Space, Chance, Death, Education, Good, History, Imagination, Intelligence, Knowledge, Learning, Love, Nature, Power, Religion, Society | |