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Carl Sagan: An Appreciation
URL: http://www.wsws.org/science/1997/jan1997/saga-j13.shtml
Submitted: Sat Sep 06 2003
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CT: Astronomy: History: People: Sagan, Carl: Carl Sagan: An Appreciation
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Detailed discussion of his work and materialist outlook, and includes a focus on his attitude to Trotsky. Written by Joseph Bradshaw for the World Socialist Web Site.