"Extraterrestrial Life"
Essay
By: Carl Sagan, Francis Crick, and L.M. Murkhin
Date: 1973
Source: Sagan, Carl, Francis Crick, and L.M. Murkhin. "Extraterrestrial Life." In Communication with Extraterrestrial Intelligence (CETI). Carl Sagan, ed. Cambridge, Mass.: MIT Press, 1973, 54–57.
About the Author: Carl Edward Sagan (1934–1996) was born in Brooklyn, New York, and received a Ph.D. in astronomy from the University of Chicago in 1960. He taught at the University of California-Berkeley and Harvard University. In 1968 he joined the staff of Cornell University. Sagan is best known for his efforts to make science understandable for the general public. He authored over a dozen books, including the Pulitzer Prize winning The Dragons of Eden (1978). Sagan was also a television personality, appearing frequently on The Tonight Show and hosting a popular TV special Cosmos.
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1970's Science and Technology Primary Sources
The 1970's: Primary Sources
