Wubbo Ockels, Dutch physicist and astronaut (b. 1946)
Wubbo Johannes Ockels (28 March 1946 – 18 May 2014) was a Dutch physicist and an astronaut of the European Space Agency (ESA). In 1985 he participated in a flight on the Space Shuttle Challenger, STS-61-A, making him the first Dutch citizen in space. After his astronaut career, Ockels was professor of Aerospace for Sustainable Engineering and Technology at the Delft University of Technology.