William Sloane Coffin served as chaplain of Yale University and Williams College, was senior minister of Riverside Church, and is President Emeritus of SANE/FREEZE: Campaign for Global Security. He became famous while at Yale in the 1960s for his opposition to the Vietnam War. He was jailed as a civil rights Freedom Rider, indicted by the U.S. government in the Benjamin Spock conspiracy trial, and has been immortalized as Rev. Sloan in the Doonesbury comic strip.