Nuclear Museum Logo
Nuclear Museum Logo

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. 

Related Profiles

John Miles

Chicago, IL

John Miles was a physicist for the DuPont Company. During the Manhattan Project, he worked at the University of Chicago Met Lab and at Hanford.

Kevin McKibbin

Santa Fe, NM

Kevin McKibbin was the son of Dorothy McKibbin, known by many as the “Gatekeeper to Los Alamos”. McKibbin was born in 1930 in St.

Collene Dunbar

Hanford, WA

Collene Dunbar first arrived the Tri-Cities in 1950. She spent her childhood there, while her father worked in construction at the Hanford Site.

Dorothy Ritter

Oak Ridge, TN

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