Roberto Casati (Born Nov 9, 1961, Milan, Italy, 1961) is a tenured senior researcher with the French Centre National de la Recherche Scientifique (CNRS-EHESS-ENS) where he as been since 1994. Based in Paris, France, he has worked on various research projects in philosophy and the cognitive sciences, and has taught or been a research fellow at several universities, among which the State University of New York at Buffalo and Dartmouth College.
Achille C. Varzi (born May 8, 1958, Galliate, Italy) is an Italian-born philosopher. He teaches at Columbia University, where he has been a member of the philosophy faculty since 1995. Varzi has made notable contributions to the fields of philosophical logic (mainly vagueness, supervaluationism, paraconsistency, formal semantics) and metaphysics (mainly mereology and mereotopology, causation, events, and issues relating to identity and persistence through time).