The astronomer Carl Sagan made it his life's work to engage the public in the world of science and exploration. The Library of Congress announced Wednesday that it's acquired his personal papers. Host Audie Cornish talks with Ann Druyan, Sagan's widow.
A Peek Inside Astronomer Carl Sagan's Mind
By editor • Jun 27, 2012
Originally published on June 27, 2012 6:53 pm