Christa McAuliffe (1948)

Sharon Christa McAuliffe, a high school history teacher, was among the seven crew members killed when the Space Shuttle Challenger exploded soon after its launch in 1986. She had been selected to be the first civilian in space from a field of more than 11,000 applicants to NASA’s Teacher in Space program, and she was slated to teach two lessons during the flight.

In 2004, she was posthumously awarded the Congressional Space Medal of Honor

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