Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Crawford Greenewalt, Jr.

ArchaeologistWilmington, DE

Family Member of Manhattan Project Veteran
Crawford Greenewalt, Jr. Listen to Crawford Greenewalt, Jr.’s Oral History on Voices of the Manhattan Project

Crawford Greenewalt, Jr., was an archeologist and the son of Crawford Greenewalt, a chemical engineer who worked on the Manhattan Project and later become president of the DuPont Company. 

Related Profiles

Patricia Postma

Oak Ridge, TN

Patricia “Pat” Postma came to Oak Ridge, Tennessee as a kindergartner after her father, Thomas Dunigan, was recruited from the Army Signal Corps to join the Manhattan Project.

Gordon Garrett

Oak Ridge, TN

Gordon Garrett grew up in Oak Ridge, Tennessee, where his father, Merrill Garrett, worked on the Manhattan Project.

Dunell Cohn

Oak Ridge, TN

Dunell Cohn was born in Oak Ridge, Tennessee, in 1944. Cohn’s father, Waldo, was recruited to work on the Manhattan Project in Chicago in 1942 for his work on radioisotopes at Berkeley and Harvard during the 1930s.

Ernest Tremmel

Washington, DC

Ernest (Ernie) Tremmel was born on September 20, 1916 in Wisconsin. He graduated from the University of Wisconsin-Madison with a B.