Barbara Radding Morgan (born November 28, 1951) is an American teacher and a former NASA astronaut. She participated in the Teacher in Space program as backup to Christa McAuliffe for the 1986 ill-fated STS-51-L mission of the Space Shuttle Challenger. She then trained as a mission specialist, and flew on STS-118 in August 2007. She is the first teacher to have been to space. Wikipedia
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