Keith Ansell Pearson holds a Personal Chair in Philosophy at the University of Warwick. He co-founded the Friedrich Nietzsche Society and is renowned for his work on Nietzsche, Bergson, and Deleuze. He recently edited A Companion to Nietzsche (Blackwell, 2005).

Duncan Large is Senior Lecturer in German at University of Wales Swansea and former Chairman of the Friedrich Nietzsche Society. He is author of Nietzsche and Proust: A Comparative Study (2001), and translator and editor of both Nietzsche’s Twilight of the Idols (1998) and Sarah Kofman’s Nietzsche and Metaphor (1993).