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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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David Fox

Manhattan, NY

David Fox lives in Providence, Rhode Island. He received a Ph.D. in mathematics and has worked on the military and civilian applications of computing, war gaming, simulations, and artificial intelligence.

Philippe Halban

Britain

Philippe Halban is a European cell biologist. He received his PhD from the University of Oxford and then pursued an academic career in diabetes research at the University of Geneva, Switzerland and Harvard University, USA.

Dunell Cohn

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Dunell Cohn was born in Oak Ridge, Tennessee, in 1944. Cohn’s father, Waldo, was recruited to work on the Manhattan Project in Chicago in 1942 for his work on radioisotopes at Berkeley and Harvard during the 1930s.

Charles Cooper

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Charles Cooper was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.