National Museum of Nuclear Science & History
William N. Ferguson served in the 393rd Bombardment Squadron.
Caldwell worked in the United States Engineer District Office.
Johnson worked at the 100-B Area at Hanford during the Manhattan Project.
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.
