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.
Bryce worked at Los Alamos during the Manhattan Project.
Arno Roensch joined the army in 1944. A glassblower, he was deployed to work at Los Alamos. He was married to Eleanor Roensch, also a Manhattan Project veteran.
R. T. Bartnett worked for the Roane-Anderson Company.