born Salzburg, Sept. 3, 1930, architect. 1950-1953 student under C. Holzmeister at the Academy of Fine Arts in Vienna, 1956-1957 at M. I. T. in Cambridge, 1957-1959 guest professor in Canada and the USA, until 1964 member of the (see) Arbeitsgruppe 4, from 1964 had his own office in Vienna, from 1977 taught at the School of Applied Art in Vienna.
Numerous international awards. Exponent of "pragmatic" architecture with monumental symbolism, physiognomical precision and manneristical superelevation. Spacious arrangement of complex buildings.
Works: Bildungshaus St. Virgil, Salzburg, 1965-1976; residential estate "Wohnen morgen", Vienna, 1973-1979; Vorarlberg Landhaus, Bregenz, 1975-1981 (together with G. Mätzler, N. Schweitzer, N. Rapf); city hall and opera, Amsterdam (together with C. Dam and Bijovet en Holt); Scientific Department of the University of Salzburg, 1978-1986 (together with H. Ekhart, S. Hübner, G. Ladstätter and M. Marschalek); Biozentrum at the University of Frankfurt a. M., 1988-1993 (together with E. Mayr); office block Lasallestraße/Praterstern, Vienna, 1990-1993 (together with H. Glück, K. Hlaweniczka, H. Lintl, G. Lippert); Ringstraßengalerien, Vienna, 1990-1993 (together with G. Lippert); memorial for all victims of the Battle of Stalingrad, Wolgograd, 1996.