SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Abram Fedorovich Ioffe (1880-1960, left), Abram Isaakovich Alikhanov (1904-1970, centre right) and Igor Vasilyevich Kurchatov (1903-1960, far right), Soviet physicists, at work in a laboratory. Ioffe (also spelt Jaffe) was head of what is now called the Ioffe Physico-Technical Institute. Alikhanov led a team that created the first Soviet heavy water nuclear reactor in 1949. In the 1930s, Kurchatov supervised the construction of what was then the world's largest cyclotron particle accelerator. He also led the work on the USSR's first atomic bomb (1949), hydrogen bomb (1953) and the world's first nuclear power plant (1954). Photographed in Moscow, Russia.
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