Daniel Heller-Roazen is the Arthur W. Marks '19 Professor of Comparative Literature and the Council of the Humanities at Princeton University. He is the author of Echolalias: On the Forgetting of Language, The Inner Touch: Archaeology of a Sensation, The Enemy of All: Piracy and the Law of Nations, and The Fifth Hammer: Pythagoras and the Disharmony of the World, all published by Zone Books.