National Museum of Nuclear Science & History
H. G. Arnett worked for the Roane-Anderson Company.
Hammond worked at the 300 Area at Hanford during the Manhattan Project.
Arthur Levy was a member of the Special Engineering Detachment responsible for developing high explosive casting procedures for the Fat Man plutonium bomb at S-Site at Los Alamos.
T. J. Kelly worked for the Kellex Corporation at the K-25 Plant.
