Piet van Kempen

Pieter Dingeman "Piet" van Kempen was a Dutch track cyclist. Professional from 1919 to 1942 and again in the 1950s, he competed in 108 six-day races, and won 32. Due to these successes, he was regarded as one of the best six-day racers of the era, and was given the nicknames "Flying Dutchman" and "Zwarte Piet".