National Museum of Nuclear Science & History
H. Phillipsborn worked for the United States Engineer District Office.
Elton H. Turk was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Harder worked at the 300 Area at Hanford during the Manhattan Project.
C. M. Sheldon worked for the J.A. Jones Construction Company.
Kuehl worked in the 100 B Area at Hanford during the Manhattan Project.