National Museum of Nuclear Science & History
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Visger worked at the 300 Area at Hanford during the Manhattan Project.
Charles Quincy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
