Hans Kollhoff is a German architect and professor. He studied architecture from 1968 to 1973 at the University of Karlsruhe with Egon Eiermann. In 1974 he spent a year abroad at the Vienna University of Technology in Austria. Thereafter, he held a scholarship at Cornell University, New York, where he was the assistant of Oswald Mathias Ungers. Later, until 1983, he was an assistant at the Technical University of Berlin. In 1978 he founded his own practice, which he has run in partnership with Helga Timmermann since 1984.
Since 1990 he has been Professor of Architecture and Construction at the ETH Zürich. He has also had several guest-professorships and lecture tours, both at home and abroad. His projects as architect, in Germany and the rest of Europe, have been primarily within office-, business- and residential construction.
Hans Kollhoff's architecture is characterised by a classical building-style and the use of solid, traditional materials, such as stone and brick, worked according to traditional methods. During his career, Kollhoff has developed in the direction of a more and more traditional form, often using classical motifs.
Kollhoff's work, with its attention to detail also within the interior space, may be read as a continuation of the work of early twentieth century architects, see Adolf Loos.
Kollhoff was a part of the team of renowned national and international architects for the International Bauaustellung of 1984/87 (IBA Berlin 1987). Kolhoff did the masterplan for IBA Block 33 with Arthur A. Ovaska. The Kollhoff & Ovaska team has realized two buildings in Block 33, first a row of houses at the Berlin Museum 2-18, and the other the tower house at Alt Jakobstraße 129 d. He also designed a tower in an old-New York brick style in Potsdamer Platz, Berlin. His projects also include a master plan of high-rise buildings at Alexanderplatz. In Frankfurt am Main he has erected the 88 meter tall residential building Main Plaza in the Deutschherrnviertel.
Since 2004 Kollhoff leads the "Bauakademie" project, whose goal is to reconstruct the Karl Friedrich Schinkel building, Berlin 1836, which was demolished in 1962.
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