Background
Koellen, Ottmar was born on May 16, 1951 in Kratzenburg, Rheinland, Germany. Son of Hermann and Maria (Link) Koellen.
Koellen, Ottmar was born on May 16, 1951 in Kratzenburg, Rheinland, Germany. Son of Hermann and Maria (Link) Koellen.
Diploma, Rheinisch-Westfälische Technische Hochschule Aachen, 1978. Doctor of Engineering, Rheinisch-Westfälische Technische Hochschule Aachen, 1987.
Assistant professor, Rheinisch-Westfälische Technische Hochschule Aachen, Germany, 1978-1985; engineer space propulsion, DASA, Germany, since 1985. Lecturer Hochschule Bremen, Germany, since 1992.
Member American Institute of Aeronautics and Astronautics, Planetary Society.
Married Buarien Puangthong, September 22, 1983. Children: Linda, Karin, Sarah.