National Museum of Nuclear Science & History
J. J. Fritz 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.
Carl Martin worked for the Roane-Anderson Company.
Kenneth Walsh was an American chemist. Walsh studied as an undergrad at Yankton College in South Dakota.
