Chief American Horse Credit: Frank Rinehart (taken at the 1898 Trans-Mississippi Exposition and Indian Congress) Expand Chief White Man Credit: Frank Rinehart (taken at the 1898 Trans-Mississippi Exposition and Indian Congress) Expand Frank Rinehart, official photographer of the Trans-Mississippi Exposition Credit: courtesy of Museum Syndicate (museumsyndicate.com) Expand Jack Red Cloud Credit: Frank Rinehart (taken at the 1898 Trans-Mississippi Exposition and Indian Congress) Expand Red Fellow Credit: Frank Rinehart (taken at the 1898 Trans-Mississippi Exposition and Indian Congress) Expand