American pole vaulter (1915–2001)
Source (Wikipedia): Cornelius Warmerdam

Cornelius “Dutch” Warmerdam was an American pole vaulter who held the world record between 1940 and 1957. He missed the Olympics due to World War II, and retired from senior competitions in 1944, though he continued to vault into his sixties. He was inducted into the International Association of Athletics Federations Hall of Fame in 1974.