Nuclear Museum Logo
Nuclear Museum Logo

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. 

Related Profiles

Sheila Rowan

Oak Ridge, TN

After her brother was drafted, Sheila Rowan and her family moved to Happy Valley, Tennessee to support the war effort.

Joe Baca

Los Alamos, NM

Joe Baca was born in Alberquerque, NM. He moved with his family to Los Alamos, NM in April of 1944 after his father, Jose Baca, got a job as a carpenter there.

Margaret “Peggy” Dickson

Oak Ridge, TN

Peggy Dickson moved to Oak Ridge in the fall of 1944, when she was 14 years old. Her father, Charles Russell Dickson, Sr.

Dorothy Ritter

Oak Ridge, TN

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