The first Dutch astronaut to make two trips into space. His first mission was Soyuz TMA-4.
He became a member of the European Astronaut Corps in 1998.
He returned from 194 days in space on July 1, 2012.
He married Helen Kuipers and the couple had four children together: Robin, Megan, Sterre, and Stijn.
He, like Alvin Drew, made more than one trip into space.