/c/carl-sagan
UIUC Commencement Address
SpeechLive EventUniversity of Illinois at Urbana-Champaign CommencementMay 1990Urbana-Champaign, IL — University of IllinoisCarl SaganSpeaker
Sagan's commencement speech at the University of Illinois at Urbana-Champaign on planetary science, scientific literacy, ozone depletion, and nuclear proliferation.
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