National Museum of Nuclear Science & History
R. F. Perkins worked for the Union Carbide & Carbon Corporation.
Julius M. Simmons was an American chemist. He worked as a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
T. Edmonds worked at the 200 West Area at Hanford during the Manhattan Project.
W. A. Plumb worked for the United States Engineer District Office.
