Born 1952 in Osterburg, Sachsen-Anhalt. Doctorate at the Dept. of Molecular Biology of Braunschweig Technical Univ., German Habilitation in genetics Cologne Univ. (1983), Professorship in Molecular Biology at the Free Univ. Berlin (1986), Director and Scientific Member at the Max Planck Institute of Molecular Plant Physiology (since 1994), Honorary Professor at the University of Potsdam (since 1995).