National Museum of Nuclear Science & History
R. L. Milling worked for the J.A. Jones Construction Company.
Harold Hasenfus was part of the Special Engineer Detachment during the Manhattan Project and worked at the University of Chicago's Metalurgical Laboratory and at the gaseous diffusion plant in Oak Ridge.
Elery M. Groves served in the 1027th Air Material Squadron.
Richard Ungemach served in the army at Los Alamos during the Manhattan Project.
