Operation Trinity and Manhattan Project Photographs

22 items in this album on 2 pages.


Letter to president Roosevelt drafted by physicist Leó Szilárd with assistance from Edward Teller and Eugene Wigner and then signed by Albert Einstein urging the development of nuclear energy, 2 Aug 1939, page 1 of 2	Letter to president Roosevelt drafted by physicist Leó Szilárd with assistance from Edward Teller and Eugene Wigner and then signed by Albert Einstein urging the development of nuclear energy, 2 Aug 1939, page 2 of 2	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, Muroc Army Air Field (later Edwards Air Force Base), California, United States, Mar 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	“The Gadget” atomic device on 15 Jul 1945 as it being readied for the Trinity Test the following day, Alamogordo, New Mexico, United States.	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