National Museum of Nuclear Science & History
Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.
Before the war Oswald Greager was a high-ranking DuPont chemist. He took leave from DuPont in 1942 to join the Army's Chemical Warfare Service.
McCants worked in the 200 East Area at Hanford during the Manhattan Project.
