1942:   Born in Thörigen, Switzerland
1966:   Liz. phil. nat., chemist, University of Bern
1969:   Dr. phil. nat., chemist, University of Bern
1970-1972:   Postdoctoral Fellow, University of Copenhagen
1972-1974:   Postdoctoral Fellow, Australian National University, Canberra
1975:   Habilitation, University of Bern
since 1978:   Professor of Chemistry, University of Bern
1982:   Visiting Professor, University of Copenhagen
1983-1984:   Visiting Fellow, Stanford University
1992-1993:   Visiting Scientist, Los Alamos National Laboratory and Hughes Research Laboratories
2002:   Visiting Scientist, Australian National University

1990-2002:   Member and vice president of the Science and Engineering Division in the Research Council of the Swiss National Science Foundation
1991:   Founding chairman of the Swiss Neutron Scattering Society
1990-1994:   Scientific Council, Institut Laue Langevin
since 2000:   Scientific Council, Institut Laue Langevin
since 2002:   Research Committee, University of Bern

Optical Society of America
European Photochemistry Association
Swiss Physical Society
Swiss Chemical Society
Swiss Society for Neutron Scattering