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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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Crawford H. Greenewalt

Hanford, WA

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General Richard Groves was a cadet at West Point during World War II, getting ready to ship out for the invasion of Japan.

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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.