Lincoln Borglum had nearly completed the 60-foot heads of the four presidents (Washington, Jefferson, Lincoln and T. Roosevelt) when he died on March 6, 1941. Lincoln Borglum had to abandon his father's ambitious plans to carry the work down to include the torsos of the presidents and an entablature due to a lack of funding; he left the monument largely in the state of completion it had reached under his father's direction. Borglum was appointed Mount Rushmore National Memorial's first superintendent and began serving on October 1, 1941. The work on the monument officially stopped on October 31, 1941. He served in
John Gregory (sculptor) John Gregory (sculptor) John Clements Gregory (May 17, 1879, London, England – 1958) was an American sculptor. When he was about 12 years old his family immigrated to the United States where he began his sculptural studies at the Art Students League in New York City. He continued these at both the École des Beaux-Arts in Paris and at the American Academy in Rome. At various times he studied with J. Massey Rhind, George Grey Barnard, Hermon MacNeil, Gutzon Borglum, Herbert Adams, and Antonin Mercié. He became a United States citizen in 1912 and during the First World War served