L. R. Wallace

J. P. Sinclair

J. P. Sinclair worked for Clinton Laboratories at the X-10 Reactor.

G. E. Johnson

G. E. Johnson worked for the United States Engineer District Office.

Duillio DiCostanzo

Duillio DiCostanzo worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Ben H. Bright