A cousin of Crazy Horse, this Oglala Sioux fought at the battle of Little Bighorn as a teenager.  
A cousin of Crazy Horse, this Oglala Sioux fought at the battle of Little Bighorn as a teenager.  However, at the age of nine he had had a powerful vision that set him on the path to being a holy man with the sacred mission of preserving the purity of Sioux traditions.  By 1947 he was indeed the last living Sioux to possess full knowledge of the metaphysics and practices of the Sioux religion.  So, he agreed to relate his wisdom to anthropologist Joseph E. Brown, which resulted in The Sacred Pipe.  For 10 points, who was this subject of an important oral autobiography transcribed by Nebraska poet John G. Neihardt?
A cousin of Crazy Horse, this Oglala Sioux fought at the battle of Little Bighorn as a teenager.  
Black Elk  [Autobiography: Black Elk Speaks (1932)]