Ilya Mikhailovich Frank (Russian : Илья Михайлович Франк ; 23 October 1908 – 22 June 1990) was a Soviet physicist who received the 1958 Nobel Prize for Physics, jointly with Pavel Alekseyevich Cherenkov and Igor Y. Tamm, also of the Soviet Union. He received the award for his work in explaining the phenomenon of Cherenkov radiation. He received the Stalin prize in 1946 and 1953 and the USSR state prize in 1971.