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.
1986 in spaceflight The year 1986 saw the destruction of Space Shuttle Challenger shortly after lift-off, killing all seven aboard, the first in-flight deaths of American astronauts. This accident followed the successful flight of Columbia just weeks earlier, and dealt a major setback to the U.S. manned space program, suspending the Shuttle program for 32 months.