Clayton Littlejohn is Lecturer in philosophy at King's College London. He specializes in epistemology and ethical theory. In his first book, Justification and the Truth-Connection (Cambridge University Press, 2012), he defended an account of justification that was both deontological and externalist.
John Turri is Assistant Professor of philosophy at the University of Waterloo (Canada). He specializes in epistemology, cognitive science and philosophy of language.