 Wilhelm Heinrich Detlev Körner

Wilhelm Heinrich Detlev "Big Bill" Körner (November 1878 – August 11, 1938), also known as Wilhelm Heinrich Dethlef Koerner, William HD Koerner, WHDK, or W.H.D.Koerner, was a noted illustrator of the American West whose works became known to new audiences when his painting, nicknamed "A Charge to Keep", was used as the cover image for the ghostwritten biography by the same name by George W. Bush.