Rapid City, South Dakota City had survived a boom and bust and was establishing itself as an important regional trade center for the upper midwest. Although the Black Hills became a popular tourist destination in the late 1890s, it was a combination of local efforts, the popularity of the automobile, and construction of improved highways that brought tourists to the Black Hills in large numbers after World War I. Gutzon Borglum, already a famous sculptor, began work on Mount Rushmore in 1927 and his son, Lincoln Borglum, continued the carving of the presidents' faces in rock following his father's death in 1941. The work
Gutzon Borglum His father, Jens Møller Haugaard Børglum (1839–1909), had two wives when he lived in Idaho: Gutzon's mother, Christina Mikkelsen Borglum (1847–1871) and Gutzon's mother's sister Ida, who was Jens's first wife. Jens Borglum decided to leave Mormonism and moved to Omaha, Nebraska where polygamy was both illegal and taboo. Jens Borglum worked mainly as a woodcarver before leaving Idaho to attend the Saint Louis Homeopathic Medical College in Saint Louis, Missouri. At that point "Jens and Christina divorced, the family left the Mormon church, and Jens, Ida, their children, and Christina's two sons, Gutzon and Solon, moved to St. Louis,