W.O. Galloway

C. B. Hamper

G. R. Klingman

G. R. Klingman worked for the Roane-Anderson Company.

J. G. Edwards

Edwards worked for Stone and Webster Engineering Corporation.

Opaline Calhoun

Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.