Peter Machamer is professor of History and Philosophy of Science at the University of Pittsburgh, Associate Director of Pittsburgh's Center for Philosophy of Science and a member of the Center for the Neural Basis of Cognition (CNBC). He is co-author, with J. E. McGuire, of Descartes' Changing Mind (2009). He is co-editor, with Gereon Wolters, of Interpretation (2010) and, with Michael Silberstein, of Blackwell's Guide to Philosophy of Science (2002).