National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Louis Fasulo worked at Los Alamos for nine years, beginning in 1943. In 1952, he began a 31 year long career with the Rocky Flats nuclear weapons plant.
Williamson worked at the 300 Area at Hanford during the Manhattan Project.