National Museum of Nuclear Science & History
Alfred Simon was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Mortimer Schwartz served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
G. M. Dodd worked for the Watson-Flagg Engineering Company.
Hatfield worked in the United States Engineer District Office.
Honnecker worked at the 300 Area at Hanford during the Manhattan Project.