National Museum of Nuclear Science & History
Francis Bernard “Bernie” Donlan was an American photographer and a clerk at the Chicago Met Lab during the Manhattan Project.
Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee.
Theodore “Ted” Hall (1925-1999) was an American physicist and an atomic spy who passed along detailed information about the implosion-type “Fat Man” bomb and several processes for purifying plutonium to the Soviet Union.
