National Museum of Nuclear Science & History
D. D. Frazer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. A. Douglas worked for the Roane-Anderson Company.
James S. Cole is an American engineer. He served as an airplane engineer during World War II, and began working at the K-25 plant at Oak Ridge, TN in 1945, shortly after the end of the war.
Gifford worked at the 200 West Area at Hanford during the Manhattan Project.
Howard “Howie” Wilcox was an American physicist. He studied at the University of Minnesota and was a teaching fellow at Harvard when he was recruited to work on the Manhattan Project at Los Alamos.