Leo C. Dallege

E. E. Coulter

H. E. Coppenbarger

H. E. Coppenbarger worked for the Edenfield Electric Company.

Daniel J. Keefe

Daniel J. Keefe was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

W. A. Halteman

Halteman worked at the 100-D Area at Hanford during the Manhattan Project.