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Rashid Sunyaev (born March 1, 1943, Tashkent, Uzbekistan, U.S.S.R. [now in Uzbekistan]) is a Russian-German astrophysicist who, with Soviet physicist Yakov Zeldovich, first proposed the Sunyaev-Zeldovich (SZ) effect, in which distortions in the cosmic microwave background (CMB) are caused by clusters of galaxies. With Russian astrophysicist Nikolay Shakura, he also developed the Shakura-Sunyaev model, which describes the accretion of matter onto a black hole. Sunyaev received a master’s degree in physics at the Moscow Institute...