Ulf Merbold and Lodewijk van den Berg, both flew in ?
Lodewijk van den Berg Lodewijk van den Berg (] ; born March 24, 1932) is a Dutch American chemical engineer, specializing in crystal growth, who flew on a 1985 Space Shuttle "Challenger" mission as a Payload Specialist.
Michelle van der Pols Michelle van der Pols (born 6 January 1989) is a Dutch field hockey player, who plays as a midfielder for Dutch club SV Kampong. She also plays for the Netherlands national team and she was part of the Dutch squad that became 2007 Champions Trophy winner.