Soviet physicist Igor Tamm won the 1958 Nobel Prize in physics. One of the great theoretical physicists, much of his ground-breaking research concerned the behavior of light, including his theoretical explanation of the Cherenkov effect. 
Igor Yevgenyevich Tamm (1895-1971), Soviet physicist and Nobel laureate, who based his work on the Einstein theory of relativity and on quantum mechanics. Tamm was born in Vladivostok and educated at Moscow University. Considered one of the outstanding theoretical physicists in the world, he developed (1924-30) the quantum theory of acoustical vibrations and the scattering of light in solid bodies, as well as the theory of interactions of light with electrons. In 1933 he theorized on the existence of surface states (Tamm's levels) of electrons in semiconductors. In 1937 he and Ilya Frank worked out a theoretical interpretation for the Cherenkov effect. Tamm suggested (1950) the use of electric charges in ionized gases as a means of obtaining controlled thermonuclear power. For their work on the Cherenkov effect, Tamm, Frank, and Pavel Cherenkov shared the 1958 Nobel Prize in physics.
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