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 M. Sprecher

Wilmington, DE

John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.

Ellen Bradbury Reid

Los Alamos, NM

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.

Elizabeth Butler

Oak Ridge, TN

Elizabeth Butler was an infant in Oak Ridge, TN during the Manhattan Project. Her father worked for the civilian contractor Tennesee Eastman and was exposed to radiation while working on piping in K-25.

Peggy Bowditch

Los Alamos, NM

Peggy Bowditch was a young girl when she and her family moved to Los Alamos in 1943. Her father, Rear Admiral William Sterling “Deak” Parsons, was chosen by General Groves to become head of ordnance for the Manhattan Project.