National Museum of Nuclear Science & History
Henry Brzostowski worked for the Roane-Anderson Company.
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.
W. O. Robertson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
