Daniel Herbert is an honorary research fellow at the University of Sheffield, where his doctoral thesis was completed under the supervision of Professors Robert Stern and Christopher Hookway. He has held postdoctoral research positions at the University of Sheffield and the Universidad Popular Autónoma del Estado de Puebla. His publications include work on Kant, Nietzsche, Bradley, Peirce and Sartre, and he is currently completing a monograph on Peirce’s relationship to naturalism and transcendental philosophy.