Joseph Medicine Crow has died, a historian, war chief and the last link to the Battle of Big Horn. As a child he was taught about that epic conflict from Crow Indians who served as scouts for U.S. General George Custer, whose forces were wiped out by Sioux Indians. Later “Joe Crow” served in Germany during World War II, where he performed the four acts required of Crow men to become war chiefs. He earned a master’s degree in anthropology, became tribal historian and anthropologist, and spent the rest of his life educating White Americans and his own people about the Crows’ history and culture. President Obama awarded him the Presidential Medal of Freedom in 2009. (Beck Bohrer/Associated Press)