National Museum of Nuclear Science & History
William Pickel worked for the Western Union Telegraph Company.
Steven Hailey worked for the Roane-Anderson Company.
Philip E. Kammerer served in the 1st Ordnance Squadron.
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.
