Han Kulker
Johannes Nicolaas Maria Kulker is a Dutch former middle distance runner who won a bronze medal at the 1986 European Championships in Athletics in Stuttgart over 1500 metres. The race was won by Steve Cram.
Two years later, Kulker finished sixth in the 1500 m final of the 1988 Summer Olympics in Seoul, where Peter Rono won gold. In 1987 Kulker won the bronze medal at the World Indoor Championships in Athletics over 1500 metres.