David Bell is the Sidney and Ruth Lapidus Professor in the Era of North Atlantic Revolutions in the History department at Princeton University. His specialty is modern Europe with a focus on the age of revolutions. His book The First Total War: Napoleon's Europe and the Birth of Warfare As We Know It was a finalist for the Los Angeles Times Book Award in History. Bell regularly teaches undergraduate surveys of early-modern Europe and the history of modern warfare. His most recent book is Napoleon: A Concise Biography. He often writes on contemporary issues for general interest magazines like The Atlantic. David is a generation younger than Tony and a rising star in the history profession. Anthony Grafton is Dodge Professor of History at Princeton University. His recent books include Defenders of the Text: The Traditions of Scholarship in an Age of Science and New Worlds, Ancient Texts: The Power of Tradition and The Shock of Discovery.