C. H. Hemmel, Jr.

M. B. Coley

M. B. Coley worked for the J.A. Jones Construction Company.

G. L. Cubbison

G. L. Cubbison worked for the Edenfield Electric Company.

Harvey B. Lemon

Harvey B. Lemon (1885-1965) was a consultant to the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. R. Towner