Diploma of Engeneering Science, Royal Institute of Technology (KTH), 1951.
and researcher, from 1951.
PhD, KTH, 1967. Thesis "Electron diffraction in gases".
Associate Professor, KTH, 1968.
Professor Emeritus , educator and researcher, from 1993.
1955-56 Dept. of the Structure of Matter, Phillips University, Marburg, Germany, educator and researcher.
1964-67 serving as Professor of Theoretical Physics, KTH.
1988 Beijing Laboratory of Vacuum Science,
1999 Div. of Surface Crystallography,
1999 Dept. of Solid State Physics, Friedrich-Alexander University, Erlangen-Nuremberg, Germany, researcher.
2000-07 Dept. of Corrosion Science, KTH, consultant educator and researcher.
2008 Dept. of Physics and Astronomy, University of
Recipient of Edlund Prize, Royal Academy of Science, 1980, for "Rydberg resonances in low-energy electron diffraction".
March 17, 2009.