Joffe, Abram əbräm´ yô´fyə [key], 1880–1960, Soviet scientist, b. Ukraine, grad. St. Petersburg Technological Institute, 1902. From 1902 to 1906 he worked in Munich as an assistant to W. C. Roentgen. In 1932, Joffe became director of the Leningrad Physico-Agronomy Institute. As a member of the Soviet Academy of Science, he helped found (1951) the Physico-Technical Institute of the academy. He was best known for his work on semiconductors, for his research on thermoelectric generators, and for his inventions in radio and aerodynamics, including a dynamo of a new type and a powerful accumulator for storing energy.
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