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

Herbert “Herb” W. Depke

Hanford, WA

Herb Depke arrived in Hanford in 1943 after his father was transferred by the DuPont Company to work as an expediter during the Manhattan Project.

Trisha Pritikin

Hanford, WA

Trisha Pritikin was born and lived ten years in Richland Washington, just a few miles away from the Hanford Site.

Virginia Ballard

Hanford, WA

Virginia Ballard was born in Charleston, West Virginia. Her parents immigrated to the United States from Scotland.

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.