National Museum of Nuclear Science & History
Fred Dennis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Costa worked at the shop in 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.
W. E. Eaton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
