National Museum of Nuclear Science & History
M. E. Johnson 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.
Edward Berger worked for the Kellex Corporation at the K-25 Plant.
T. K. Rothermund worked for the J.A. Jones Construction Company.
