Diploma in сivil engineering, Technology U., Budapest, Hungary, 1952; D honoris causa, Technology U., Budapest, Hungary, 1990; Doctor of Engineering E.h., U. Kassel, Germany, 1985.
Assistant, Technology U., Budapest, 1952-1956; engineer, Bauwens Building Company, Cologne, Germany, 1956-1957; freelance construction engineering,, Cologne, since 1957; freelance construction engineering,, Berlin, since 1966; freelance construction engineering,, Leipzig, since 1993; professor, chairman loadbearing structures department, Technology U. Berlin, 1965-1973; dean, Technology U. Berlin, 1970; professor сivil engineering, chairman loadbearing structures Department, University Dortmund, Germany, since 1973; dean, U. Dortmund, Germany, 1983-1987.
Member Architekten- und Ingenieurverein (vice president since 1985), International Association for Shell and Spatial Structures (chairman working group 9, 1972-1992, editor symposium proceedings 1984), Deutscher Beton Verein, Deutscher Stahlbau-Verband, Deutscher Werkbund, Rotary.
Married Edeltraud Fremersdorf, September 10, 1960. Children: Carl-Georg, Thomas.