• Evaluation of interventions in medicine and healthcare
  • Co-editor of www.jameslindlibrary.org, a website illustrating the development of fair tests of treatments in healthcare

Since 2006:
Emeritus professor

1994 to 2006
Professor  and Director, Institute of the History of Medicine, University of Freiburg i.Brsg, Germany
Master of Science in Medical Statistics, University of Leicester, United Kingdom

1983 to 1994
Professor and Director, Institute of the History of Medicine, University of Göttingen, Germany

1978 to 1983
Senior research fellow Pathophysiological Institute, University of Bern, Switzerland

1976 to 1978
Research Fellow, PhD student, University College, the University of London/ The Welcome Institute for the History of Medicine, London, United Kingdom
Diploma of PhD, History of Science, University of London

1970 to 1975
Research Fellow, Pathophysiological Institute, University of Bern, Switzerland

1983 to1971
Medical studies, Universites of Neuchâtel, Lausanne, Bern, Switzerland, and Vienna, Austria.

Diploma of MD, University of Zurich, Switzerland

Independent Researcher