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.
Viktor Bergström Viktor Bergström (born 14 November 1986 in Kolmården, ) is a Swedish speedway rider, who has raced in the British Premier League for Leicester Lions and Scunthorpe Scorpions.