<P> University Hospital Center in Liege, Belgium by Charles Vandenhove (1962--82) </P> <Li> <P> The Pirelli Tower in Milan, by Gio Ponti and Pier Luigi Nervi (1958--60) </P> </Li> <P> The Pirelli Tower in Milan, by Gio Ponti and Pier Luigi Nervi (1958--60) </P> <Li> <P> The Fondation Maeght by Josep Lluis Sert (1959--1964) </P> </Li>

Who were the leading architects during the modern era