Indian Heroes And Great Chieftains by Charles A. Eastman Indian Heroes And Great Chieftains presents intriguing biographical sketches of 15 great Native American leaders, mostly Sioux, including portraits of Crazy Horse, Sitting Bull, and Spotted Tail. Charles Eastman traces their historical importance to both the white man and Native people.Charles Eastman was born on the Santee Reservation in Minnesota in 1858. His grandparents raised him after his mother's death and his father's capture during the ?Minnesota Sioux Uprising'. At the age of 15 he was reunited with his father and embarked on a life in white man's society. He became a doctor and spent the rest of his career helping Indian people come to terms with their changing world.