National Museum of Nuclear Science & History
Jas Purcell worked for the Roane-Anderson Company.
Edward Shapiro was an American scientist and Manhattan Project veteran. After receiving a Ph.D. from Purdue University, Shapiro worked as a research associate for the Manhattan Project at the Metallurgical Laboratory in Chicago and at Oak Ridge.
Robert Stankevitch served in the First Ordnance Squadron.
Bergen McCormick worked for the J.A. Jones Construction Company.