Sophia Rosenfeld is professor of European intellectual and cultural history at Yale, where she specializes in the study of the Enlightenment and the trans-Atlantic Age of Revolutions. She is currently writing a book about how the idea of choice became a proxy for freedom in the modern world. She also co-edits the journal Modern Intellectual History and is co-editing a book series on the cultural history of ideas since antiquity. Previous books include A Revolution in Language: The Problem of Signs in Eighteenth-Century France (2001) and Common Sense: A Political History (2011), which won the Mark Lynton History Prize and the Society for the History of Early American Republic Book Prize. Prior to arriving at Yale in 2015, she taught for eighteen years at the University of Virginia and then spent the last two as a Guggenheim Fellow and member of the School of Social Science at the Institute for Advanced Study in Princeton. She received her B.A. from Princeton University and her Ph.D. from Harvard University.