National Museum of Nuclear Science & History
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.
Merrill Garrett worked at the Y-12 Plant at Oak Ridge, TN during the Manhattan Project. A high school football star, Garrett received an appointment to the United States Military Academy, but was forced to decline due to financial circumstances during the Great Depression.
Harry Grisham worked for the Kellex Corporation at the K-25 Plant.