John C. Delmar, Jr.

R.B. Hardin

Hardin worked in the United States Engineer District Office.

Lucien Nerman

Lucien Nerman was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. L. Goodwin

H. L. Goodwin worked for the Roane-Anderson Company.

Stella Clearly