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Biographies - Carl Sagan
Carl Sagan
Image Source: Wikimedia Commons: Carl Sagan
Carl Sagan
Born: November 9, 1934
Died: December 20, 1996
American astronomer, astrobiologist, and highly successful science popularizer. He was world-famous for writing popular science books and for co-writing and presenting the award-winning 1980 television series "Cosmos: A Personal Voyage."

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