Studies at Architectural Association School of Architecture, London; research on counter-reformation urban history, University of Essex and University of Cambridge. Formerly: Director, Master of Architecture Program, Graduate School of Design, Harvard University; taught at University of Pennsylvania, University of Cambridge and Frankfurt Academy of Fine Arts; Dean, College of Architecture, Art and Planning, Cornell University; Chairman, AA School of Architecture; consultant on international architectural and urban projects. Member: Steering Committee, Aga Khan Award for Architecture; Board of Trustees, Van Alen Institute; Building Committee, Asian University for Women's Studies.