Raised among the Sioux until the age of 15, Charles Alexander Eastman (1858-1939) resolved to become a physician in order to be of the greatest service to his people. Upon completing his education at Boston University School of Medicine, he accepted an appointment to a South Dakota Indian reservation, where he was the only doctor available to the victims of the 1890 massacre at Wounded Knee. With the encouragement of his wife, he further distinguished himself both as a writer and as a uniquely qualified interpreter of Native American ways. His writings offer authentic, sometimes stirring...