J. P. Valliant

E. R. Howard

S. C. Barnett

S. C. Barnett worked for the Union Carbide & Carbon Corporation.

Winston Grice

Winston Grice was a millwright at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Calvin S. Shepherd

Calvin S. Shepherd worked on the Manhattan Project at Los Alamos, NM and the Trinity Site.