Mark Sainsbury is Professor of Philosophy at the University of Texas at Austin. Previously he was Susan Stebbing Professor of Philosophy at King's College London. He was the editor of Mind from 1990 to 2000. He is author of Russell (1979), Paradoxes (1988), Logical Forms (1991), Departing from Frege (2002), Reference Without Referents (2005), Fiction and Fictionalism (2009), and co-author with Michael Tye of Seven Puzzles of Thought and How to Solve Them (2012).