National Museum of Nuclear Science & History
Winston Dabney served in the U.S. Army Corp of Engineers and worked on the Manhattan Project from 1941 until 1945 while he was stationed at Los Alamos.
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.
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.