Rob Krier is an architect, educator and influential theorist on architecture and urbanism. He was born in Luxembourg and subsequently emigrated to Austria where he has lived since. Krier has produced urban schemes for cities as diverse as Stuttgart, Vienna and Berlin. His built works include Social Housing, Ritterstrasse, Berlin (1979-80), Social Apartment Houses, Berlin Spandau (1982-85), Apartment Houses, Breitenfurterstrasse for the City of Vienna (1983-88), planning for Social Apartment Houses in Salzburg with Aldo Rossi and O.M. Ungers (1985-), Schinkelplatz, Berlin (1986-88), and Social