Dr Carl Edward Sagan (November 9, 1934 - December 20, 1996) was
an American astronomer, astrobiologist and highly successful
science popularizer. He pioneered exobiology and promoted the
Search for ExtraTerrestrial Intelligence (SETI). He is world-
famous for his popular science books and the award-winning
television series Cosmos, which he co-wrote and presented and
eventually released as a book. During his lifetime, Sagan
published more than 600 scientific papers and popular articles
and was author, co-author, or editor of more than 20 books. In
his works, he frequently advocated scientific skepticism,
humanism, and the scientific method. For more information about
the topic Carl Sagan, read the full article at Wikipedia.org, or
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