John Simpson Smith (1810-1871) counted among his acquaintances Indianchiefs and United States presidents. He was a fur trapper, a trader for Charles Bent, and a recognized spokesman for the Cheyenne and Arapaho Indians, with whom he lived much of his life. He served as interpreter for major treaty negotiations and accompanied three delegations of chiefs to Washington, D.C. to visit Presidents Fillmore, Lincoln, and Grant. He was in Black Kettle's...