Today, 84 years ago, on March 6th, 1941 (February 9th, 1941), Rushmore mountain statue designer Bohrum died. Rushmore mountain statue on March 6th, 1941, Bohrum died. Bohrum was born on March 25th, 1871. The huge statue of Washington, Jefferson, Lincoln and Roosevelt on Rushmore mountain he designed has become a world-famous tourist site.