The X-Files starred Harrison Ford.
Samuel Forster Tappan -LRB- June 29 , 1831 -- January 6 , 1913 -RRB- was an American journalist , military officer , abolitionist and a Native American rights activist .. journalist. journalist. abolitionist. Abolitionism in the United States. Native American. Native Americans in the United States. Appointed as a member of the Indian Peace Commission in 1867 to reach peace with the Plains Indians , he advocated self-determination for native tribes .. Indian Peace Commission. Indian Peace Commission. self-determination. self-determination. He proposed the federal government replace military jurisdiction over tribal matters with a form of civil law on reservations , applied by the tribes themselves .. civil law. civil law ( common law )