Carl Edward Sagan was an American astronomer and astrobiologist and a highly successful popularizer of astronomy, astrophysics, and other natural sciences. He pioneered exobiology and promoted the Search for Extra-Terrestrial Intelligence (SETI). He is world-famous for writing popular science books and for co-writing and presenting the award-winning 1980 television series "Cosmos: A Personal Voyage", … Wikipedia
The definitive Wikipedia entry for Carl Sagan. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Carl_Sagan
This film is an edited version of a symposium held at Boston University on November 20, 1972 that explores the implications of the possible .... Jan 1, 1975. video.google.com/videoplay?docid=-8949469271181885482&q=C...
( Carl Sagan, "Can We Know the Universe?: Reflections on a Grain of Salt;" from Broca's Brain: Reflections on the Romance of Science , New York: Random House, 1979, pp. www.stephenjaygould.org/ctrl/sagan_science.html
Carl Sagan is the David Duncan Professor of Astronomy and Space Sciences and Director of the Laboratory for Planetary Studies at Cornell University. www.bigear.org/vol1no2/sagan.htm
Carl Edward Sagan (November 9, 1934 - December 20, 1996) was an American astronomer and astrobiologist and a highly successful popularizer of astronomy, astrophysics, and other natural sciences. www.charlierose.com/guests/carl-sagan
