Doctor of Philosophy, U. Uppsala, Sweden, 1945; Doctor of Laws (honorary), University Dundee, Scotland, 1971.
Assistant professor, U. Uppsala, 1945-1953;
professor mathematics, Royal Institute Technology, Stockholm, 1953-1976;
president, Royal Institute Technology, 1968-1974;
board directors, L.M. Ericsson Corporation, 1972-1980;
representative delegate to county, Trygg-Hansa Insurance Company, 1974-1977;
counsellor, committee chairman, SNS Development Council, 1978-1980. Board directors Swedish Board Technology Development, 1971-1977. Member Swedish county United Nations Educational, Scientific and Cultural Organization, 1975-1980.
Member National Science Council, 1961-1967. Member chairman various government committees on education, research radio and television, others. Board directors, Boncompagni-Ludovisi Foundation, 1968-1976, chairman, 1974-1976.
Chairman, Board Of Directors Microwave Institute, 1968-1978. Board directors Institute Applied Mathematics, 1975-1984. Managing director C. Trygger Foundation, 1980-1992.
Member American Association for the Advancement of Science, Royal Academy Engineering Sciences, New York Academy Sciences, Swedish Ops.Rsch. Society (chairman 1962-1964), Swedish Mathematics Society (chairman 1957-1960).
Married Gunborg Maria Sjølinder, October 1, 1939. Children: Lars, Erik, Anna-Karin.