Herbert A. Fisch

R. J. Guthrie

R. J. Guthrie worked for the Watson-Flagg Engineering Company.

John B. McKim

John McKim worked for the Kellex Corporation at the K-25 Plant.

Jack Bowers

Philip C. McKenna

Philip C. McKenna was a laboratory assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.