premise: Mount Rushmore was created by sculptor Gutzon Borglum in 2010.
hypothesis: John Gutzon de la Mothe Borglum ( March 25 , 1867 -- March 6 , 1941 ) was an American artist and sculptor . Mount Rushmore . Sculptor Gutzon Borglum created the sculpture 's design and oversaw the project 's execution from 1927-1941 with the help of his son , Lincoln Borglum . Mount Rushmore features 60 ft sculptures of the heads of four United States presidents : George Washington ( 1732 -- 1799 ) , Thomas Jefferson ( 1743 -- 1826 ) , Theodore Roosevelt ( 1858 -- 1919 ) , and Abraham Lincoln ( 1809 -- 1865 ) .