National Museum of Nuclear Science & History
Juan Sanchez was a staff worker at Los Alamos 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.
Ralph Bloomfield served in the 603rd Air Engineering Squadron.
Wallace Addis worked for the Kellex Corporation at the K-25 Plant.
R. J. Dunbar worked for the Tennessee Eastman Corporation at the Y-12 Plant.
