Professor Herman Cappelen has written numerous papers in philosophy of language and two previous books, <i>Insensitive Semantics</i> (Blackwell 2004) and <i>Language Turned on Itself</i> (OUP 2007) (both with Ernie Lepore). He is currently a Professor at the Arché Philosophical Research Centre and the University of St. Andrews and research director at CSMN at the University of Oslo. Previously he has held positions at Oxford University and Somerville College, the University of Oslo, and Vassar College.
John Hawthorne is Waynflete Professor of Metaphysical Philosophy at the University of Oxford, having previously been Professor of Philosophy at Rutgers, the State University of New Jersey. His books include <i>Knowledge and Lotteries</i> (OUP 2003) and <i>Metaphysical Essays</i> (OUP 2006).