Carl Sagan
CountryUnited States 
GenderMale
Birthdaynov. 9, 1934
Death1996-12-20
BiographyCarl Edward Sagan (SAY-gən; November 9, 1934 – December 20, 1996) 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 and directed the Laboratory for Planetary Studies. He played an active role in the Mariner, Viking and Voyager programs. He published more than 600 scientific papers and articles and several popular science books, starting with The Cosmic Connection. He won the Pulitzer Prize for General Nonfiction for The Dragons of Eden.
He co-wrote and narrated the 1980 documentary series Cosmos: A Personal Voyage, which has been seen by at least 500 million people in 60 countries and won two Emmy Awards and a Peabody Award. Cosmos, the companion volume, was the bestselling science book to date.
A lifelong science fiction fan, Sagan entered the genre with Contact, which was adapted as the film of the same name. He was a founding member and first president of the Planetary Society. He proposed the Pale Blue Dot photograph of Earth taken by Voyager 1.
He had a lifelong interest in the possibility of extraterrestrial life and is generally credited with contributions to the Arecibo message, with a much more significant role developing the Pioneer plaques and the Voyager Golden Record, universal messages that could potentially be understood by any intelligence that might find them. He promoted skepticism and the scientific method, particularly in his penultimate book The Demon-Haunted World. He popularized a toolkit for critical thinking. He made famous the maxim "Extraordinary claims require extraordinary evidence." The phrase "Billions and billions" was attributed to him, although he never said it. He did use it as the title of his last book. Sagan received numerous awards and honors, including the NASA Distinguished Public Service Medal and the National Academy of Sciences Public Welfare Medal. He married three times and had five children. After developing myelodysplasia, Sagan died of pneumonia at the age of 62 on December 20, 1996.
Biography from the Wikipedia article Carl Sagan. Licensed under CC-BY-SA. Full list of contributors on Wikipedia.
He co-wrote and narrated the 1980 documentary series Cosmos: A Personal Voyage, which has been seen by at least 500 million people in 60 countries and won two Emmy Awards and a Peabody Award. Cosmos, the companion volume, was the bestselling science book to date.
A lifelong science fiction fan, Sagan entered the genre with Contact, which was adapted as the film of the same name. He was a founding member and first president of the Planetary Society. He proposed the Pale Blue Dot photograph of Earth taken by Voyager 1.
He had a lifelong interest in the possibility of extraterrestrial life and is generally credited with contributions to the Arecibo message, with a much more significant role developing the Pioneer plaques and the Voyager Golden Record, universal messages that could potentially be understood by any intelligence that might find them. He promoted skepticism and the scientific method, particularly in his penultimate book The Demon-Haunted World. He popularized a toolkit for critical thinking. He made famous the maxim "Extraordinary claims require extraordinary evidence." The phrase "Billions and billions" was attributed to him, although he never said it. He did use it as the title of his last book. Sagan received numerous awards and honors, including the NASA Distinguished Public Service Medal and the National Academy of Sciences Public Welfare Medal. He married three times and had five children. After developing myelodysplasia, Sagan died of pneumonia at the age of 62 on December 20, 1996.
Biography from the Wikipedia article Carl Sagan. Licensed under CC-BY-SA. Full list of contributors on Wikipedia.
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