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

Dimas Chavez

Los Alamos, NM

Dimas Chavez was a young child when he moved to Los Alamos with his family in August 1943. Chavez’s father, Trinidad, joined the Zia Company at Los Alamos, where he helped construct and maintain the laboratories and facilities there.

Astro Teller

Astro Teller is the co-founder of Alphabet subsidiary “X.” He is the grandson of Edward Teller, the famous physicist often considered the father of the hydrogen bomb.

Catherine Dvorak

Trinity Site

Cathy Dvorak’s is the daughter of Colonel Clifford Heflin, the Commanding Officer of Wendover Air Base.

Julie Melton

Los Alamos, NM

Julie Melton is an author and expert on civil society, development, and democratization. The daughter of Manhattan Project historian David Hawkins and Frances Hawkins, the founder of the nursery school at Los Alamos, she was a small child at Los Alamos during the Manhattan Project.