Manuel Castells is Professor of Sociology, and of Planning, at the University of California, Berkeley, where he was appointed in 1979, after teaching for 12 years at the University of Paris. He has also taught and researched at the Universities of Madrid, Chile, Montreal, Campinas, Caracas, Mexico, Geneva, Copenhagen, Wisconsin, Boston, Southern California, Hong Kong, Singapore, Taiwan, Amsterdam, Moscow, Novosibirsk, Hitotsubashi, and Barcelona. He has published 20 books, including The Informational City (1989). He has been a Guggenheim Fellow, and a recipient of the C. Wright Mills Award, and of the Robert and Helen Lynd Award. He is a member of the European Academy. The Information Age is being translated into 10 languages.