Mount Rushmore still disputed on the basis of the 1868 Treaty of Fort Laramie (see section "Controversy" below). Among American settlers, the peak was known variously as Cougar Mountain, Sugarloaf Mountain, Slaughterhouse Mountain, and Keystone Cliffs. It was named Mount Rushmore during a prospecting expedition by Charles Rushmore, David Swanzey (husband of Carrie Ingalls), and Bill Challis. Historian Doane Robinson conceived the idea for Mount Rushmore in 1923 to promote tourism in South Dakota. In 1924, Robinson persuaded sculptor Gutzon Borglum to travel to the Black Hills region to ensure the carving could be accomplished. Borglum had been involved in sculpting the
Alfonso Iannelli operation today: the Pickwick Theater in Park Ridge and the Catlow Theater in Barrington, Illinois. He also designed the large-scale "Rock of Gibraltar" relief on the facade of the Prudential Building (now called One Prudential Plaza) in Chicago. He died in Chicago on 23 March 1965. Alfonso Iannelli Alfonso Iannelli (February 17, 1888 - March 23, 1965) was an Italian-American sculptor, artist, and industrial designer. Based in Chicago for most of his life, Iannelli was born in Andretta, Italy on February 17, 1888. He came to America in 1898. He studied to be a sculptor under Gutzon Borglum, later famous