Stone Mountain Klan, was commissioned to do the carving. Borglum abandoned the project in 1925 (and later went on to begin Mount Rushmore). The US Mint issued a 1925 Commemorative silver US half dollar, bearing the words "Stone Mountain", as part of a fundraiser for the monument. This was the largest issue of commemorative coins by the U.S. government up to that time. American sculptor Augustus Lukeman continued until 1928, when further work stopped for thirty years. In 1941 segregationist Governor Eugene Talmadge formed the Stone Mountain Memorial Association (SMMA) to continue work on the memorial, but the project was delayed once
Gutzon Borglum Rushmore project, 1927–1941, was the brainchild of South Dakota state historian Doane Robinson. His first attempt with the face of Thomas Jefferson was blown up after two years. Dynamite was also used to remove large areas of rock from under Washington's brow. The initial pair of presidents, George Washington and Thomas Jefferson was soon joined by Abraham Lincoln and Theodore Roosevelt. Ivan Houser, father of John Sherrill Houser, was assistant sculptor to Gutzon Borglum in the early years of carving; he began working with Borglum shortly after the inception of the monument and was with Borglum for a total of