Roy Schroeder

A. E. Whiteside

E. M. Pownall

E. M. Pownall worked for the Edenfield Electric Company.

R. S. Berry

R. S. Berry worked for the J.A. Jones Construction Company.

Irving Bubos

Irving Bubos was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.