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.
Michael Swart Michael Richard Swart (born 1 October 1982) is a professional cricketer who is the current vice-captain of the Dutch national side and has represented them at both One Day International (ODI) and Twenty20 International (T20I) level. Born in Australia, he formerly played for Western Australia in Australian domestic matches.