National Museum of Nuclear Science & History
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.
Attended Carnegie Technical Institute.
J. L. Hartman worked for the J.A. Jones Construction Company.
F. H. Stewart served in the 509th Headquarters.
