About the Author

Michael Frede, who died in 2007, held positions successively in the departments of philosophy at the University of California, Berkeley, at Princeton University, and at Oxford University, where he held the Chair of the History of Philosophy. Katerina Ierodiakonou is Associate Professor of Ancient Philosophy at the Department of Philosophy of the University of Geneva and of the Department of Philosophy and History of Science of the University of Athens. Jonathan Barnes is Emeritus Professor of Philosophy at University of Paris IV - Sorbonne.