Project Y, the Los Alamos Laboratory, was the secret Manhattan Project site in northern New Mexico where scientists worked with the U.S. Army and the University of California during World War II to design and build the first atomic bombs. Chosen for its remote location on the Pajarito Plateau so researchers could collaborate while maintaining strict security, the laboratory occupied former Los Alamos Ranch School buildings. It was led first by J. Robert Oppenheimer from 1943 until December 1945, when Norris Bradbury took over.

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Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Attribution

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Attribution

Photo: Wikipedia · Attribution

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Public domain

Photo: Wikipedia · Attribution