Lee Walters is Associate Professor in Philosophy at the University of Southampton and Associate Editor of Analysis. He works mainly in the philosophy of logic and language, metaphysics, and related issues in aesthetics, in particular on the logic and semantics of conditionals, the metaphysics of art, and fiction. In 2016-7 he held a British Academy Mid-Career Fellowship on the Metaphysics of Art, and in 2015 he was a Junior Fellow at the Institute for Advanced Study at Central European University.
John Hawthorne is Professor of Philosophy at the University of Southern California. He was previously Waynflete Professor of Metaphysical Philosophy at the University of Oxford and Professor of Philosophy at Rutgers University. His books include Knowledge and Lotteries (Oxford 2004), Metaphysical Essays (Oxford 2006), Relativism and Monadic Truth (Oxford 2009, with Herman Cappelen), The Reference Book (Oxford 2012, with David Manley), and Narrow Content (Oxford 2018, with Juhani Yli-Vakkuri).