Joseph A. Gagnon

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.

P. W. Rueff

P. W. Rueff worked for the Tennessee Eastman Corporation at the Y-12 Plant.

H. H. Dent

Willard F. Clark

​Willard Clark was born in Boston in 1910, but grew up in Buenos Aires, Argentina, where his father was President of the General Motors Argentina Branch.