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

Irénée Du Pont, Jr.

Wilmington, DE

Irénée du Pont, Jr. is a member of the storied du Pont family and the son of the President (1919 to 1925) of the E.

Raymond C. Grills

Research & Development/300 Area

Raymond C. Grills is an American physical chemist who worked at the University of Chicago’s Metallurgical Laboratory and at Hanford during the Manhattan Project.

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.

Suzanne Langsdorf

Chicago, IL

Suzanne Martyl Langsdorf was born in 1945 to her parents, American physicist Alexander Langsdorf and artist Martyl Langsdorf.