National Museum of Nuclear Science & History
Gibson worked in the United States Engineer District Office.
Louis Slotin (1910-1946) was a Canadian physicist. Shortly after World War II, he died from radiation sickness contracted during a dangerous experiment conducted at Los Alamos.
S. B. Gage worked for the Kellex Corporation at the K-25 Plant.
R. L. Doan worked for Clinton Laboratories at the X-10 Reactor.