National Museum of Nuclear Science & History
Jacob Beser served as a 1st lieutenant in the 393rd Bombardment Squadron’s Radar Section. He was the radar specialist aboard the Enola Gay bombing mission to Hiroshima and on Bockscar during the Nagasaki mission.
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.