CURRICULUM VITAE

Thesis with R. Mecke on experimental IR spectroscopy. Postdoc in Paris 1960-1963 with B. Pullman and G. Berthier, then at Uppsala 1963-64 with P.O. Löwdin. 1964-1970 at Göttingen, there Habilitation 1967. Associate professor at Karlsruhe 1970-1973, full professor at RUB (Ruhr-Universität Bochum) since 1973. Emeritus 1998

Research interests: Electron correlation in atoms and molecules. Magnetic properties of molecules. Relativistic quantum chemistry. Theory of the chemical bond and of intermolecular forces. Author of the book Einführung in die Theoretische Chemie in 2 volumes.

Received the Carl-Duisberg memorial price of the German Chemical Society in 1971, the Liebig medal of the German Chemical Society in 1996, the Schrödinger medal 1995 of WATOC, the Dionyz Ilkovic medal of the Slovak Academy of Sciences in 1998, and the Erich-Hückel-Preis 2016 der Gesellschaft Deutscher Chemiker (GDCh). Member of the International Academy of Quantum Molecular Sciences.