Miranda Fricker is Reader in Philosophy at Birkbeck, London. She is the author of Epistemic Injustice: Power and the Ethics of Knowing (2006), and co-editor of the Cambridge Companion to Feminism in Philosophy (2007).

Samuel Guttenplan is Professor in Philosophy at Birkbeck, London. He is author of Mind's Landscape (Blackwell Publishing, 2000), and The Languages of Logic (Second Edition, Blackwell Publishing, 1997), editor of A Companion to the Philosophy of Mind (Blackwell Publishing, 1995) and executive editor of the journal Mind & Language. His book Objects of Metaphor was published in 2005.