LeRoy R. Raffel

Cyril J. Morzinski

Otto Nillige

Otto Nillige was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

David Edwards

David Edwards worked for the Edenfield Electric Company.

Mendel Maskewitz

Maskewitz worked with calutrons at the Y-12 plant at Oak Ridge during the Manhattan Project.