Tom Hayden (b. December 11, 1939), is an American social and political activist and politician, most famous for his involvement in the USA anti-Vietnam-war movement and USA civil rights movement of the 1960s. He was one of the authors of the Port Huron Statement.

Hayden also played a key role in the turmoil surrounding the 1968 Democratic National Convention protests in Chicago, Illinois. There he was arrested as part of the Chicago 8, with other protesters including Abbie Hoffman and Jerry Rubin, and charged with conspiracy and inciting riots. Hayden later served in the California State Assembly (1982 - 1992) and the State Senate (1992 - 2000).

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