During this period , Marius also became an outspoken critic of the Vietnam War and an early organizer of protests against the conflict , as well as against the Ku Klux Klan . Most notably , shortly after the Kent State shootings he co-organized a protest at a 1970 Billy Graham evangelistic crusade rally in the university 's football stadium at which President Richard Nixon was an announced , invited guest . Although Marius ' plan was for the 1,000 or so anti-war protesters to hold a " silent " protest amid the 70,000 pro-Graham spectators in the stadium , the protest turned unruly
Kent State shootings
Kent State shootings
Richard Marius