Igor Yevgenyevich Tamm
Tamm, Igor Yevgenyevich, 1895–1971, Soviet physicist, Ph.D. Moscow State Univ., 1933. He was a researcher at the P. N. Lebedev Physical Institute in Moscow from 1934 until his death in 1971. Tamm and Ilya M. Frank were awarded the 1958 Nobel Prize in Physics along with Pavel A. Cherenkov for their explanation of the radiation discovered by Cherenkov (see Cherenkov radiation). Tamm and Frank discovered (1937) that the light waves emitted when gamma radiation passes through a liquid medium are produced by electrically charged particles moving faster than the speed of light in the medium.
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