You've heard of the Mercury 7 astronauts; they became the backbone of the NASA program and inspiration to an entire generation of young people. But you may not have known there were also a Mercury 13 - and they were women.
In the early years of the space race two men sought to test a scientifically simple yet culturally complicated theory - that women might be better suited for space travel than men.
In 1960 a woman in space instead of a man was a revolutionary idea: 75% of American women did not work outside the home and females were banned from military flight service. Wives were required to have their husband's permission to take out a bank loan, buy property, or purchase large household goods such as a refrigerator.