Education
Diploma in Physics, U. Göttingen, Germany, 1978; Doctor of Philosophy in Physics, U. (Germany) Freiburg, 1983.
Science observatory administrator
Diploma in Physics, U. Göttingen, Germany, 1978; Doctor of Philosophy in Physics, U. (Germany) Freiburg, 1983.
Assistant professor, U. Göttingen, 1983-1987, 88-90; astronomer, Kiepenheuer-Instut Sonnenphysik, Freiburg, since 1990; affiliate scientist High Altitude Observatory, National Center Atmospheric Research, Boulder, Colorado, 1994-1995; senior scientist, director High Altitude Observatory, National Center Atmospheric Research, Boulder, Colorado, since 1995. Visiting scientist High Altitude Observatory National Center Atmospheric Research, Boulder, 1987-1988.