Carl Sagan
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Carl Sagan
PersonCarl Edward Sagan was an American astronomer, planetary scientist and science communicator. Initially an assistant professor at Harvard, Sagan later moved to Cornell, where he was the David Duncan Professor of Astronomy and Space Sciences…

Kip Thorne
Person…1991 until 2009. A longtime friend and colleague of Stephen Hawking and Carl Sagan, he advised Sagan on the physics of wormholes for his novel Contact. He was a scientific consultant for Christopher Nolan's films Interstellar and Tenet.…

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