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.
Joseph Pappalardo was a staff worker at Los Alamos during the Manhattan Project.
E. L. Booker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
