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

Jean Tatlock

University of California, Berkeley

Jean Tatlock (1914-1944) was an American psychiatrist and Communist Party member. Tatlock’s father was an English professor at the University of California, Berkeley.

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.

Dan Millard

Oak Ridge, TN

Dan Millard was a high school student in Oak Ridge, TN in 1943. The size of the school expanded from 65 to 1200 students due to the influx of workers for the Manhatan Project.

Dorothy Vanderford

Los Alamos, NM

Dorothy Vanderford (1973- ) is the granddaughter of J. Robert Oppenheimer. Although Vanderford never met her grandfather, she knows the family narrative well and her father, Peter Oppenheimer, was a child during the Oppenheimer trial.