Anthony J. Maloney, Jr.

H. A. Smith

H. A. Smith worked for the J.A. Jones Construction Company.

D. C. Hohenshelt

Wilcox P. Overbeck

Wilcox P. Overbeck was a research associate and instrumentation designer at the Chicago Met Lab. He was responsible for calling out the neutron count when Chicago Pile-1 went critical on December 2, 1942.

Dwight E. Clark

Clark worked in the United States Engineer District Office.