National Museum of Nuclear Science & History
Dunn worked in the United States Engineer District.
Calhoun worked at the 100-B Area at Hanford during the Manhattan Project.
Elton H. Turk was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Roy W. Carlson was an engineer. He worked on the Manhattan Project at Los Alamos and the University of California, Berkeley, as a member of the Explosives Division and Group X-2A.
C. L. Scharfe worked for the Comstock-Bryant Electric Company.
