Nancy Greenewalt Frederick

Child of Manhattan Project VeteranWilmington, DE

Family Member of Manhattan Project Veteran

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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Patricia “Pat” Postma came to Oak Ridge, Tennessee as a kindergartner after her father, Thomas Dunigan, was recruited from the Army Signal Corps to join the Manhattan Project.

Ellen Bradbury Reid

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Ellen Bradbury Reid moved to Los Alamos in the summer of 1944 when her father was hired by Norris Bradbury to work in the high explosives division.

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