Hungarian water polo player and three-time Olympic gold medalist, winning in 1952, 1956, and 1964.
He won his first Olympic gold medal at the 1952 Olympics.
He was part of gold medal winning teams at the European Water Polo Championships in 1954 and 1962.
He married Éva Székely, former swimmer and 1952 Olympic champion of the 200 meters breaststroke.
He won gold at the 1964 Olympics when boxer Joe Frazier also took home gold.