At the height of World War II, Oak Ridge, Tennessee was home to 75,000 residents, who consumed more energy than New York City. Most of the world didn’t know that the town even existed. And most of the people who lived there, who were largely young women from small towns across the America, didn’t know the true nature of the work they were doing day after day in the hulking factories that had been hastily built in the middle of the Appalachian Mountains. That is until the end of the war when O...