National Museum of Nuclear Science & History
Robert M. Haider served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.
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.
Charles Hobson worked for the United States Engineer District Office.
