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National Museum of Nuclear Science & History

Nancy Greenewalt Frederick

Child of Manhattan Project VeteranWilmington, DE

Family Member of Manhattan Project Veteran
Nancy Greenewalt Frederick Listen to Nancy Greenewalt Frederick’s Oral History on Voices of the Manhattan Project

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.

Carol Roberts

Hanford, WA

Carol Roberts moved to Hanford with her family in 1944 after her father was hired by DuPont to work as an electrician on the B Reactor.

Dorothy Ritter

Oak Ridge, TN

Dorothy Ritter is the daughter of Francis Oley, who worked on the Manhattan Project for the Kellex Corporation.

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