Engineer who became the first Austrian citizen to travel to space. He participated in the 1991 Soyuz TM-13 Mir space station mission.
He and Clemens Lothaller were chosen to participate in Austromir 91, a joint Soviet and Austrian space mission.
While visiting the Mir space station, he conducted over a dozen scientific experiments.
His wife gave birth to his daughter Carina while he was in space.
He and Brazilian astronaut Marcos Pontes were the first people from their respective countries to enter space.