Clarence Mitchell Jr. (1911–84) was a civil rights activist and, for nearly thirty years, a chief lobbyist for the National Association for the Advancement of Colored People (NAACP...view moreClarence Mitchell Jr. (1911–84) was a civil rights activist and, for nearly thirty years, a chief lobbyist for the National Association for the Advancement of Colored People (NAACP). Nicknamed the “101st Senator,” he was instrumental to the successful passage of the most consequential US civil rights legislative acts of the 1950s and 1960s.view less