Abbie Hoffman was an American social and political activist known for his role in the counterculture movement of the 1960s. He co-founded the Youth International Party, also known as the Yippies, which aimed to promote anti-establishment ideas through theatrical protests and demonstrations. Hoffman was a prominent figure during the Vietnam War protests and was known for his charismatic personality and radical ideas. Hoffman gained national attention during the Chicago Seven trial, where he and others were charged with conspiracy and inciting riots at the 1968 Democratic National Convention. His activism often included humor and satire, making serious political statements more accessible to the public. Hoffman continued to advocate for social change throughout his life until his passing in 1989.