, astronomer, educator and author was perhaps the world’s greatest popularizer of science, reaching millions of people through newspapers, magazines and television broadcasts. He is well-known for his work on the PBS series Cosmos which became the most watched series in public-television history. He held a masters degree in physics, and a doctorate in astronomy and astrophysics, teaching at Harvard and Cornell. Sagan played a lead role in NASA’s Mariner, Viking, Voyager and Galileo expeditions to other planets. He received 22 honorary degrees from American colleges and universities for his contributions to science, literature, education, the preservation of the environment and many awards for his work on the long-term consequences of nuclear war and reversing the nuclear arms race. He is co-founder of The Planetary Society, a 100,000-member organization and the largest space-interest group in the world.
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Related Essays, Art & Websites:
Carl Sagan’s website