National Museum of Nuclear Science & History
J. M. Allen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Daniel Pfaff was a staff worker at Los Alamos 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.
Smith worked at the 200 East Area at Hanford during the Manhattan Project.
