Why did you decide to become an astronaut?
It all started when I was about 12 with some sciencefiction books I had from my grandmother. That triggered my fantasy, but it was still a boy’s dream. I grew up in the period that we landed on the Moon and launched Skylab, and then the Space Shuttle was built, so I saw all these beautiful pictures. And then the ESA was founded, and it had a Dutch astronaut. I thought ‘hey,