T. R. Cartmell

Earl W. Springsted

Nellie Jennings

Nellie Jennings was a laboratory assistant at the Metallurgical Laboratory at the University of Chicago during the Manhattan Project.

Ira J. Cotten

Ira J. Cotten served in the 393rd Bombardment Squadron. 

George Mallinckrodt

George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).