Tag: robert zubrin

  • Retrovision: Air Mail or Rocket Post

    A ban on missile research after World War I resulted in development of a large German civilian rocketry program to fill gap. Gerhard Zucker, a German businessman, promoted  delivery by […]

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  • Mars Direct Plan

    Mars Direct Plan

    Mars Direct is a plan, first, proposed in a research paper by NASA engineers Robert Zubrin and David Baker in 1990, and later, expanded in Zubrin’s 1996 book, “The Case For Mars”. Mars Direct proposes a cost effective means to send men to Mars in a series of missions in 26 month intervals.

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