Soviet Union – 1817 to 1991
Andrei Sakharov was a prominent Soviet physicist, dissident, and human rights activist, widely known for his contributions to nuclear physics and his outspoken criticism of the Soviet government's repressive policies. His advocacy for civil liberties and disarmament made him a key figure in the dissent movement, particularly during the era of Khrushchev's reforms and the later period of stagnation.
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