Aad de Graaf
Arie "Aad" de Graaf was a Dutch track cyclist who was active between 1959 and 1966. He won national sprint titles in 1960–1962 and finished second in 1959 and 1963–1965. He competed in the sprint at the 1960 and 1964 Summer Olympics, but failed to reach the finals; in 1964 he finished in fourth place in the 2 km tandem event.
