Armando Salvatore is a sociologist of culture and communication who investigates various dimensions of religious traditions and secular formations in historical and comparative perspective. He teaches at the University of Naples ‘L’Orientale’, Dept. of Social Sciences and Cultural Studies, and runs a research project on sovereignty and solidarity at the Humboldt Center for Social and Political Research, Berlin. His latest book is The Public Sphere: Liberal Modernity, Catholicism, Islam.