Who is Carl Sagan?
Carl Sagan (1934 – 1996) was an American astronomer and popularizer of science. Through his 1980 television series Cosmos, which reached 600 million people in over 60 countries, he inspired an entire generation to become more interested in astronomy and science in general. Cosmos was the most popular PBS series of all time. Carl Sagan was a supporter of the Search for Extraterrestrial Intelligence (SETI), a founder of the field of exobiology, and a champion of secular humanism, seen widely as an alternative to religion. Carl Sagan began his career at the University of Chicago, where he earned degrees in physics, astronomy, and astrophysics, obtaining a Ph.D in 1960. Between 1962 and 1968, he went to work for the Smithsonian Astrophysical Observatory in Cambridge, Massachusetts. He also lectured each year at Harvard University throughout this time. In 1968, he moved to Cornell University, becoming a full professor in 1971. From 1972 to 1981, Carl Sagan was Associate Director for the Cen
