1957 PhD, Universität Heidelberg, Germany

1957-1958 Postdoctoral Fellow, Institut für Theoretische Physik, Universität Heidelberg, Germany

1958-1959 Research Associate, Department of Physics, University of Minnesota, Minneapolis, Minnesota, USA

1959-1960 Research Assistant, Department of Physics and Astronomy, California Institute of Technology, Pasadena, California, USA

1960-1962 Visiting Assistant Professor, Department of Physics and Astronomy, California Institute of Technology, Pasadena, California, USA

1962-1963 Visiting Professor, Universität Heidelberg, Germany

1963-1972 Full Professor, Universität Heidelberg, Germany

since 1968 Scientific Member, Max-Planck-Institut für Kernphysik, Heidelberg, Germany

1972-2001 Director at the Max-Planck-Institut für Kernphysik, Heidelberg, Germany

1972-2001 Full Professor ad personam, Universität Heidelberg, Germany

since 2001 Professor Emeritus, Universität Heidelberg, Germany

Theoretical Nuclear Physics:

Beta Decay, Scattering Theory, Shell-Model Approach to Nuclear Reactions, Doorway States and Analogue Resonances, Effective Interaction in Nuclei, Direct and Compound Nucleus Reactions, Precompound Reactions, Heavy-Ion Collisions, Nuclear Fission, Symmetries and Invariances (Isospin, Parity, Time-Reversal) in Nuclear Reactions, Order and Collectivity versus Chaos in Nuclear Spectra, Coulomb Excitation, Statistical Theory of Nuclear Reactions, Two-Body Random Ensemble

Random Matrices:

Supersymmetry, Universality, Random Matrices in QCD, Chaotic Scattering of Classical Waves and of Schrödinger Waves (especially in Atomic Nuclei and in Microwave Billiards), Embedded Random-Matrix Ensembles, Chaos in Many-Body Systems

Condensed Matter:

Integer Quantum Hall Effect, Universal Conductance Fluctuations, Transport Properties of Mesoscopic Systems, Persistent Currents, Quantum Dots, Quantum Zeno Effect, Quantum Brownian Motion

1953-1957 Fellow, Studienstiftung des Deutschen Volkes

1968-1969 Visiting Professor, Yale University, New Haven, Conncticut, USA

since 1969 Corresponding Member, Societe Royal des Sciences de Liege, Belgium

since 1970 Fellow, American Physical Society

1971 Visiting Professor, ETH (Swiss Federal Institute of Technology) Zürich, Switzerland

since 1973 Member, Heidelberger Akademie der Wissenschaften

1975, 1988 Fellow, Japan Society for the Promotion of Science

1977-1978 Visiting Fellow, Balliol College, Oxford, UK

1982 Max-Planck-Medal of the German Physical Society

1985 Fairchild Distinguished Scholar, California Institute of Technology, Pasadena, California, USA

1991 Honorary PhD, Weizmann Institute of Science, Rehovot, Israel

1992-1993 Fellow, Wissenschaftskolleg zu Berlin (Institute for Advanced Studies), Berlin, Germany

1993 Bundesverdienstkreuz (Order of Merit of the Federal Republic of Germany)

1993 Festschrift on the Occasion of the 60th Birthday: Nucl. Phys. A 560 (1993)

1995 Humboldt South African Award

since 1997 Member, Deutsche Akademie der Naturforscher (Leopoldina)

2000 Dr. h. c., Universität Rostock, Germany 2000 Capes Humboldt Prize, Brazil