| 1956 - 58 | F.Sc. (Physics and Mathematics) University of Frankfurt/Main |
| Spring 1958 | B.Sc. - University of Frankfurt/Main |
| January 1960 | M.Sc. TH Darmstadt, Thesis: "Plasma-reactors" |
| 1960 - 62 | Research Associate to Prof. H. Marshall Freiburg/Brsg., Germany |
| Spring 1961 | Ph.D. - Freiburg/Brsg. Thesis: "Nuclear polarization in μ-mesic atoms" |
| 1962 - 64 | Assistant Professor - University of Maryland (3 months Florida State University) |
| May 1964 | Research Associate, University of Freiburg/Brsg. |
| August 1964 | Acceptance of a chair for theoretical physics - Johann Wolfgang Goethe University, Frankfurt/Main |
| Since Jan. 1965 |
Professor of Physics, Johann Wolfgang Goethe University, Frankfurt/Main Director of the Institute of Theoretical Physics (-1995) |
| Since 1964 | Various offered professorships at Duke University, University of Virginia, Vanderbilt University, etc., declined |
| Since 1976 | Permanent Consultant to Gesellschaft für Schwerionenforschung (GSI) Darmstadt |
| Oct. 2001 - July 2002 | Dean of the Physics Faculty of Johann Wolfgang Goethe University |
| Since 2003 | Founding Director and Member of the Management Board, Frankfurt Institute for Advanced Studies |