Who flew on a 1985 Space Shuttle "Challenger" mission as a Payload Specialist, Claude Nicollier or  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.
Soyuz TMA-1 Soyuz TMA-1 , also catalogued as Soyuz TM-35, was a Soyuz mission to the International Space Station (ISS) launched by a Soyuz FG launch vehicle with a Russian-Belgian cosmonaut crew blasted off from the Baikonur Cosmodrome in Kazakhstan. This was the fifth Russian Soyuz class shuttle to fly to the International Space Station. It was also the first flight of the TMA-class Soyuz spacecraft. Soyuz TM-34 was the last of the prior Soyuz-TM spacecraft to be launched.