George R. Jamieson

J. T. Calvert

J. T. Calvert worked for the Union Carbide & Carbon Corporation.

Jas C. Stewart

Jas Stewart worked for the United States Engineer District Office.

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.

C. I. Cunningham