Gianni Paganini is currently Professor of History of Philosophy at the University of Piedmont (Vercelli), he studied Bayle's thought, history of modern scepticism, libertinism and Hobbes's philosophy. Editor of: La filosofia della seconda meta del Novecento (Piccin/Vallardi 1998); The Return of Scepticism. From Hobbes and Descartes to Bayle (Kluwer, 2003). Author of: Pierre Bayle (La Nuova Italia, 1981), Theophrastus redivivus (with G. Canziani, La Nuova Italia, 2 vols., 1981-82), Les philosophies clandestines a l'age classique (PUF 2005), -Skepsis. Le Debat des modernes sur le scepticisme (Vrin, forthcoming). Jose R. Maia Neto received his MA in Philosophy from the Catholic University of Rio de Janeiro in 1987, and his Ph.D in Philosophy from Washington University in Saint Louis in 1991. Currently he is Associate Professor of Philosophy at the Federal University of Minas Gerais, Brazil. Author of Machado de Assis, the Brazilian Pyrrhonian (Purdue U. P., 1994), The Christianization of Pyrrhonism (International Archives for Intellectual History, Kluwer, 1995), and co-editor, with Richard H. Popkin, of Skepticism: An Anthology (Prometheus, 2007).