National Museum of Nuclear Science & History
M. Clawson worked for the Roane-Anderson Company.
R. R. Kegarise worked for the Kellex Corporation at the K-25 Plant.
B. Roswell Russell worked at the Metallurgical Laboratory in Chicago during the Manhattan Project. He was one of seventy signers of the Szilard Petition.
Betz worked at Los Alamos during the Manhattan Project.
