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National Museum of Nuclear Science & History

Nancy Greenewalt Frederick is the oldest daughter of Crawford Greenewalt, a chemical engineer who worked on the Manhattan Project and later become president of the DuPont Company. 

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Nancy Greenewalt Frederick

Wilmington, DE

Nancy Greenewalt Frederick is the oldest daughter of Crawford Greenewalt, a chemical engineer who worked on the Manhattan Project and later become president of the DuPont Company.

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Dan Millard was a high school student in Oak Ridge, TN in 1943. The size of the school expanded from 65 to 1200 students due to the influx of workers for the Manhatan Project.

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Janice Witt Purkey was the daughter of William Augustus Witt, an Army soldier stationed at Oak Ridge, Tennessee.

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After her brother was drafted, Jo-Ellen Iacovino and her family moved to Happy Valley, Tennessee to support the war effort.