Edward W. Soja is Distinguished Professor of Urban Planning at the UCLA School of Public Affairs, and for many years was Centennial Visiting Professor in the Cities Programme, London School of Economics. He is the author of Postmodern Geographies: The Reassertion of Space in Critical Theory, Thirdspace: Journeys to Los Angeles and Other Real-and-Imagined Places, and Postmetropolis: Critical Studies of Cities and Regions.