O. M. Allan

Harold J. Dorshimer

R. L. Plowden

R. L. Plowden worked for the J.A. Jones Construction Company.

Frank Smith

Frank Smith worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.

William Karush

William Karush (1917-1997) was an American mathematician and physicist. After earning his Ph.D. from the University of Chicago in 1942, Karush worked briefly at the Carnegie Institution of Washington before returning to Chicago to join the Manhattan Project.