Joseph Rykwert is Paul Philippe Cret Professor of Architecture Emeritus at the University of Pennsylvania. Neil Leach is an architect and theorist who has taught at a number of institutions worldwide, including the Architectural Association in London, the Dessau Institute Dessau, Germany, and Columbia University. He is the author, editor, or translator of more than a dozen books, including Rethinking Architecture, The Anaesthetics of Architecture (MIT Press, 1999), and Alberti's On the Art of Building in Ten Books (MIT Press 1991). Robert Tavernor is Professor and Head of Architecture at the University of Bath and a practicing architect. His previous books include a translation (with Joseph Rykwert and Neil Leach) of Alberti's On the Art of Building in Ten Books; and Palladio and Palladianism.