A long-standing member of the Hopkins-Nanjing Center faculty, is also professor emeritus of history at the University of Washington, having taught large numbers of undergraduate and graduate students, chaired the Department of History and served on many university-wide committees, one of which, the U.W. Architectural Commission, reflected a deep interest in architecture, buildings and master planning; upon retirement from the university in 2002, joined the faculty of the Hopkins-Nanjing Center, serving as the Freeman Foundation Professor of History; is an adjunct professor at the U.S.