(born 1939) American Indian activist. Means, an Oglala born on the Pine Ridge Reservation, founded and became national director of the American Indian Movement (AIM), which sought to both advocate for particular Indians and causes and to point out the racist assumptions in historical interpretations of treaties and events (like Columbus’ arrival in the New World). While remaining active with AIM, since the 1990s he has broadened his interests to include film, music and memoirs.