National Museum of Nuclear Science & History
William L. Wrede served in the First Ordnance Squadron.
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.
Sergeant James T. Harris was a member of the Special Engineer Detachment stationed at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.