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.
Nelson F. Hagar served in the 393rd Bombardment Squadron.
B. K. Coghlan, Jr. worked for the Kellex Corporation at the K-25 Plant.