Former speed skater from the Netherlands who competed in his first Olympics in 1968 and won three gold medals at the 1972 Olympics.
He won his first gold medal at the 1966 European Championships in Deventer.
He won 3 Olympic gold medals and 1 silver.
He is the son of Anjali and Artur Schenk.
He is one of the few Olympians to win 2 gold medals in a single Olympics, along with swimmer Michael Phelps.