Microbial genetics, horizontal gene transfer, mobile
genetic elements, site-specific recombination, molecular
mechanisms of microbial evolution.

1958~1959 Research Associate, University of Southern
California, Los Angeles, U.S.A.
1960~1963 Research Associate, University of Geneva
1963~1965 Charge de cours, University of Geneva
1965~1970 Associate Professor, University of Geneva
1961~1972 Chairman, Swiss Committee of the International
Union for Pure and Applied Biophysics
1967~1978 Editor, Current Topics of Microbiology and
Immunology
1967~ Editor, Molecular and General Genetics
1968~1975 Editor, Quarterly Reviews of Biophysics
1971~1996 Professor, University of Basel
1981~1985 Editor, The EMBO Journal
1981~ Member, European Academy of Arts, Sciences and
Humanities
1984~ Foreign Member, National Academy of Sciences, USA
1984~1985 Dean, Faculty of Science, University of Basel
1986~1988 Rector, University of Basel
1986~ Editor, Molecular Microbiology
1988~ Member, Swiss Academy of Engineering Sciences
1989~ Member, Academia Europaea
1996~1999 President, International Council for Science

1962 Prix Plantamour-Prevost, University of Geneva
1978 Nobel Prize in Medicine and Physiology