b. 1956; Diploma in Chemistry 1980 (Univ. Freiburg), Diplôme de Langue et Civilisation Francaise (Sorbonne, Paris), Dr. rer. nat. 1985 (Univ. Freiburg, Ch. Rüchardt), 1985-87 postdoctoral fellow at the University of Rochester (with J.P. Dinnocenzo), Habilitation 1992 (Univ. Freiburg), associate professor in Würzburg (1993-1999), full professor in Siegen (1999 until now). Awards: BASF Award 1975, Studienstiftung des Deutschen Volkes 1977-1981, DAAD-NATO fellow 1985-1987, Liebig fellowship 1987-1989, Gödecke Award 1987, INSA lectureship 2000, JSPS Lectureship 2004. Professional Activities: Associate Editor of J. Phys. Org. Chem. (2001-), Vorsitzender des GDCh-Ortsverbandes 2001-2005, Chair of "Reactive Radical Ion Workshop 2002", Chair of Gordon Research Conference on "Free Radical Reactions" in 2005. Director of the Research Center of Micro- and Nanochemistry and -Engineering in Siegen; Speaker of the DFG-Research Group "Lab-on-Microchip". Since 2007 speaker of the research and graduate course “Heterosensors”. 2009-2011: chairman of the department. 2016 (Feb./March): Distinguished Honorary Professor (IIT Kanpur). Memberships: GDCh, Liebig Vereinigung, ACS, Dechema, Deutscher Hochschulverband.
> 250 research papers, one book (Radicals and Radical Ions in Organic Synthesis, VCH-Wiley, in German), > 200 lectures at conferences and scientific institutions