National Museum of Nuclear Science & History
Sheffield Gordon was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Julian Mack was an American physicist. Mack was the leader of Group G-11 (Optics), the photography group, in the Weapons Physics Division at Los Alamos during the Manhattan Project.
William J. Van Buskirk was a machinist who worked at Los Alamos for over three decades. Van Buskirk started working at Los Alamos in 1943, a year after he graduated from high school.