Sagan, Carl Edward (1934–1996)
Sagan worked as a consultant and adviser to NASA for almost four decades, beginning in the 1950s, and played a prominent role in the Mariner 9, Viking, Voyager, and Galileo missions to the planets. He was a devotee and an advocate of broad international cooperation in space exploration and one of the founders (in 1980) and president (until his death) of the Planetary Society. He expressed the opinion that carrying life from Earth to other planets is a duty of mankind, and that the conquest and colonization by mankind of other planets and extraterrestrial space are essential to our survival. "All civilizations," he wrote, "become either spacefaring or extinct." His novel Contact (1985) was made into a successful film.
Related categories ASTRONOMERS AND ASTROPHYSICISTS
ROCKET ENGINEERS AND SPACE SCIENTISTS
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