Famous Creative Thinkers PHL 458 April 2, 2015 Famous Creative Thinkers Carl Sagan was known as an American Scientist and was born November 9, 1934 and died December 20, 1996. Carl Sagan was a pioneer in many countries scientific realm and is known throughout the world as the renowned astrophysicist of our known generation. He was also an achieved astronomer, cosmologist, astrobiologist, author, scientist, and writer. Dr. Sagan published more than 600 scientific papers and over 20 books
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