T. J. Burr

J. E. Whedbee

J. E. Whedbee worked for the Edenfield Electric Company.

William J. Martin

Robert E. Johnson

Robert E. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. J. Risdon

E. J. Risdon worked for the Roane-Anderson Company.