F. J. Brady, Jr.

Robert R. Williamson

Robert R. Williamson was a laboratory assistant and computer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Lawrence O’Rourke

Lawrence S. O’Rourke began working on the Manhattan Project at Columbia University after he was called up from the Army Reserves in 1943.

O. R. Cole

D. J. Lundon

D. J. Lundon worked for the Edenfield Electric Company.