Are Franz Viehböck and Mark Shuttleworth both astronauts?
Franz Viehböck Franz Artur Viehböck (born August 24, 1960 in Vienna) is an Austrian electrical engineer, and was Austria's first cosmonaut. He was titulated "„Austronaut“" by his country's media. He visited the Mir space station in 1991 aboard Soyuz TM-13, returning aboard Soyuz TM-12 after spending just over a week in space.
Peter Wisoff Peter Jeffrey Kelsay Wisoff (born August 16, 1958) is an American physicist and former NASA astronaut. Wisoff qualified as mission specialist and flew in four manned Space Shuttle missions, with his first launch in 1993 and his last in 2000.