Donald E. Hirsch

Robert O. Pflumm

E. C. Sheets

E. C. Sheets worked for the Fercleve Corporation.

J. J. Fritz

J. J. Fritz worked for the Union Carbide & Carbon Corporation.

Fred W. Goodloe

Fred W. Goodloe was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.