National Museum of Nuclear Science & History
Audrey Smythe worked for the Union Carbide & Carbon Corporation.
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.
Bryand worked at Los Alamos during the Manhattan Project.
R. M. Ayers worked for the Roane-Anderson Company.