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

Catherine Dvorak

Trinity Site

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

Richard H. Groves

Washington, DC

General Richard Groves was a cadet at West Point during World War II, getting ready to ship out for the invasion of Japan.

Kevin McKibbin

Santa Fe, NM

Kevin McKibbin was the son of Dorothy McKibbin, known by many as the “Gatekeeper to Los Alamos”. McKibbin was born in 1930 in St.

Elberta Lowdermilk Honstein

Los Alamos, NM

Elberta Honstein (née Lowdermilk) was the daughter of Elbert Lowdermilk, the contractor whose construction company, Lowdermilk Brothers, built roads and utility lines around Los Alamos during the Manhattan Project.