Who was the president of the Soviet Union in 1975?

In 1975, the General Secretary of the Communist Party of the Soviet Union was Leonid Brezhnev. He held this position from 1964 until his death in 1982. Although the title of "President of the Soviet Union" was not officially established until 1990, Brezhnev was the de facto leader and the most powerful figure in the Soviet government during that time.