Operation Trinity and Manhattan Project Photographs


A page out of a Manhattan Project scientist's notebook, noting the world's first controlled, self-sustaining nuclear chain reaction, achieved on 2 Dec 1942	Groves and Oppenheimer at Los Alamos, New Mexico, United States, 1940s	Alpha Track Calutron at the Y-12 Plant at Oak Ridge, Tennessee, United States, 1944-1945	Alpha Track Calutron diffusion vacuum pumps at the Y-12 Plant at Oak Ridge, Tennessee, United States, 1944-1945

Control panels and operators for calutrons at the Y-12 Plant in Oak Ridge, Tennessee, United States; the woman closest to the camera was identified as Gladys Owens	Casings for the 'Thin Man' and 'Fat Man' atomic bomb designs, Wendover Field, Utah, United States, Jul 1944	Scene of shift change at the Y-12 uranium enrichment facility in Oak Ridge, Tennessee, United States, circa 1945	British personnel dismantling the experimental nuclear pile at Haigerloch near Stuttgart, Germany, Apr 1945

Oppenheimer inspecting nuclear device 'Gadget', Alamogordo, New Mexico, United States, mid-Jul 1945	Physicist Norris Bradbury (left) with atomic bomb 'Gadget', 15 Jul 1945	Preparing the atomic bomb 'Gadget' for Operation Trinity, 15 Jul 1945	Atomic bomb 'Gadget' exploding during Operation Trinity, 16 Jul 1945

Early stage of the nuclear explosion during Operation Trinity, 16 Jul 1945	Early stage of the nuclear explosion during Operation Trinity, 16 Jul 1945, photo 2 of 2	Aerial view of the aftermath of Operation Trinity, 17 Jul 1945; note the smaller crater on bottom right, which was the crater left by the 7 May 1945 test with 108 tons of TNT	The Szilárd Petition

Oppenheimer and Groves immediately after Operation Trinity, circa Aug 1945, photo 1 of 2	Oppenheimer and Groves immediately after Operation Trinity, circa Aug 1945, photo 2 of 2	Two men at the Operation Trinity crater, circa Aug 1945