Who flew on more Space Shuttle missions, meteorologist Piers Sellers or chemical engineer Lodewijk van den Berg?
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.
Eric Boe Eric Allen Boe (born October 1, 1964) is a United States Air Force fighter pilot Colonel, test pilot and a NASA astronaut. He flew as the pilot of Space Shuttle missions STS-126 and STS-133.