Born Sept. 10th, 1933 in Vienna (Austria).
Student of chemistry at Bonn 1952-1954 and Freiburg in Breisgau
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
Schrödinger medal 1995 of WATOC, and the
Dionyz Ilkovic medal
of the Slovak Academy of Sciences in 1998.
Member of the
International Academy of Quantum Molecular Sciences.