J. G. Bradley

J. V. Hubbard

J. V. Hubbard worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Cecil S. Couch

Martin M. Whitaker

Martin M. Whitaker was a research associate at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

H. J. Mack

H. J. Mack worked for the Edenfield Electric Company.