National Museum of Nuclear Science & History
Delbert Ball was a procurement officer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John Loy worked for Clinton Laboratories at the X-10 Reactor.
Thomas A. Rodolico served in the 393rd Bombardment Squadron.
George Cowan joined the Manhattan Project in 1942 at the Met Lab as a chemist for Enrico Fermi’s group, and also worked for Columbia University.