Born Sept. 10th, 1933 in Vienna (Austria).
Student of chemistry at Bonn 1952-1954 and Freiburg in Breisgau 1954-1960.
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