National Museum of Nuclear Science & History
Egon Bretscher (1901-1973) was a chemist and nuclear physicist and was involved in the British atomic bomb effort.
Nelson C. Baker was a lieutenant working as an executive officer to Captain Palmer in the Second Provisional Special Engineer Detachment at Los Alamos.
William Cavin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.