National Museum of Nuclear Science & History
J. R. Maddy worked for the United States Engineer District Office.
Alexander Scott was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Holmes worked at the 300 Area at Hanford during the Manhattan Project.
C. P. Vogel worked for the Tennessee Eastman Corporation at the Y-12 Plant.
O. R. Volk worked for Clinton Laboratories at the X-10 Reactor.
