National Museum of Nuclear Science & History
William Jacob was a staff worker at Los Alamos during the Manhattan Project.
B. H. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harry Gold was an American laboratory chemist who was convicted of being a courier for a number of Soviet spies during the Manhattan Project, including Klaus Fuchs.
Willingham worked at the 200 West Area at Hanford during the Manhattan Project.