National Museum of Nuclear Science & History
Ercole E. Motta was a research assistant at the University of Chicago Met Lab. He studied ways to determine the boron content of uranium oxide.
Roy C. Nicklaus served in the 1st Ordnance Squadron.
Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Earl Smith worked for the H. K. Ferguson Company.
