Mark Wilson is distinguished professor of philosophy, a fellow of the Center for Philosophy of Science and a Fellow at the American Academy of Arts and Sciences. Before coming to Pittsburgh, he taught at the University of California-San Diego, the University of Illinois-Chicago, and Ohio State. His main research investigates the manner in which physical and mathematical concerns become entangled with issues characteristic of metaphysics and philosophy of language; he is currently writing a book on explanatory structure. He is also interested in the historical dimensions of this interchange; in this vein, he has written on Descartes, Frege, Duhem, and Wittgenstein. He also supervises the North American Traditions Series for Rounder Records.