John Hawthorne is Professor of Philosophy at Rutgers University. He has published numerous articles on metaphysics, philosophy of language, epistemology, philosophy of mind, and early modern philosophy. His books include Knowledge and Lotteries, Substance and Individuation in Leibniz, and The Grammar of Meaning.

Jason Turner is a philosopher who received his PhD from Rutgers University. He has worked at the University of Leeds, St. Louis University, and the University of Arizona.