Georges Benko is Professor of Geography at the University of Paris I (Pantheon-Sorbonne). He is a member of the editorial boards of Espaces et Societes and GeoJournal and editor of the series Geographies en Liberté and Theorie Sociale Contemporaine, both published by l'Harmattan in Paris. He is the author of Geographie des Technopoles (Masson), co-author (with Alain Lipietz) of Les Regions qui Gagnent and editor of various books on Industrial Change and Social Theory. Ulf Strohmayer is currently lecturer in human geography at the University of Wales, Lampeter. He is the author of numerous articles, co-editor of two books and author, together with Matthew Hannah, of Gnostic Materialism: Cosmology and the Ruins of Social Theory.