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Jerry Rubin
Jerry Clyde Rubin (July 14, 1938 – November 28, 1994) was an American social activist, anti-war leader, and counterculture icon during the 1960s and 1970s. During the 1980s, he became a successful businessman. He is known for being one of the co-founders of the Youth International Party (YIP), whose members were referred to as Yippies, and standing trial in the Chicago Seven case.
Source: Wikipedia