National Museum of Nuclear Science & History
R. E. Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Charles P. Putsch served in the 1027th Air Material Squadron.
Britson worked at the 100-F Area at Hanford during the Manhattan Project.
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.