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About Carl Sagan
American astronomer, planetary scientist and science communicator
Carl Edward Sagan was an American astronomer, planetary scientist and science communicator. He worked at Harvard as an assistant professor before moving to Cornell University, where he became the David Duncan Professor of Astronomy and Space Sciences and directed the Laboratory for Planetary Studies. Sagan took an active role in the Mariner, Viking and Voyager programs. He also wrote more than 600 scientific papers and articles, along with several popular science books, beginning with The Cosmic Connection. His The Dragons of Eden won the Pulitzer Prize for General Nonfiction.
More from Carl Sagan (293 quotes) →More quotes by Carl Sagan
- “For thousands of years humans were oppressed— as some of us still are— by the notion that the universe is a m…”Carl Sagan
- “All her life, dreams had been her friends. Her dreams were unusually detailed, well-structured, colorful.”Carl Sagan
- “Pliny suggested that the ostrich, then newly discovered, was the result of a cross between a giraffe and a gn…”Carl Sagan
- “The universe is not required to be in perfect harmony with human ambition.”Carl Sagan
Explore Morality
- “To educate a person in the mind but not in morals is to educate a menace to society.”Theodore Roosevelt
- “Scientists search for truth. Philosophers search for morality. A criminal trial searches for only one result:…”Alan Dershowitz
- “War is an ugly thing, but not the ugliest of things. The decayed and degraded state of moral and patriotic fe…”John Stuart Mill
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Books by Carl Sagan
Cosmos
1980
Contact
1986
The Demon-Haunted World
1996
The Dragons of Eden
1977
Billions and billions
1997