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.
Fredrik Lööf Max Emil Fredrik Lööf (born 13 December 1969 in Kristinehamn, Sweden) is a Swedish professional sailor who has participated in six Summer Olympics, winning one gold and two bronze medals. He won the gold medal in Star with Max Salminen at the 2012 Summer Olympics and the bronze medals in Finn in the 2000 Summer Olympics and with Anders Ekström in Star in the 2008 Summer Olympics.