National Museum of Nuclear Science & History
Franke worked in the United States Engineer District Office.
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.
Sayers worked for Stone and Webster Engineering Corporation.
James C. Hart was a DuPont chemist and member of the health physics group during the Manhattan Project.
