species survival through space

Broadcast 1964 (Special Edition)

Guest: Dr. Henry Hertzfeld. Topics: Commercial space, Mars, human spaceflight, regulations & economics. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, http://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use.

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