National Museum of Nuclear Science & History
George Feldman worked for the Roane-Anderson Company.
Robert Boyd Williams was a Major General in United States Army Air Forces and Commanding General, Second Air Force, headquartered in Colorado Springs, CO.
N. F. Smyth worked for the Kellex Corporation at the K-25 Plant.
T. A. Gamble worked for Clinton Laboratories at the X-10 Reactor.
Alan E. Florin was a research associate in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.