National Museum of Nuclear Science & History
Harold M. Spurling served in the 320th Troop Carrier Squadron.
William Hawkins worked for the Roane-Anderson 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.
Richard Apple was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.