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

Jo-Ellen Iacovino

Oak Ridge, TN

After her brother was drafted, Jo-Ellen Iacovino and her family moved to Happy Valley, Tennessee to support the war effort.

John M. Sprecher

Wilmington, DE

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

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.

Margaret Norman

University of California, Berkeley

Margaret Lawrence Norman is the eldest daughter of Nobel Prize-winning physicist Ernest O. Lawrence. She was born in Oakland, CA, and attended Stanford University.