Education
He competed in the 4000 m team pursuit at the 1960 and 1964 Summer Olympics and finished in fifth and third place, respectively.
He competed in the 4000 m team pursuit at the 1960 and 1964 Summer Olympics and finished in fifth and third place, respectively.
He was also active in motor-paced racing. He was the husband of Marianne Heemskerk, a Dutch Olympic swimmer.