DAVID B. BROWNLEE  has taught in the Department of the History of Art at the University of Pennsylvania since 1980, where he is the Shapiro-Weitzenhoffer Professor.  Brownlee is a historian of modern architecture whose interests embrace a wide range of subjects in Europe and America, from the late eighteenth century to the present.  His seven authored and co-authored books include studies of English Victorian architecture, German neoclassicism, the architecture and city planning of Philadelphia, and the work of Louis Kahn, Robert Venturi and Denise Scott Brown.  His work has won most of the major publication prizes of the Society of Architectural Historians, and his teaching was recognized by the Lindback Award in 2001.  He has served the Department of the History of Art as chair and as director of both graduate and undergraduate studies, and he also implemented and directed the university's College House residential system.