Johann P. Sommerville is Emeritus Professor of History at the University of Wisconsin, Madison. He graduated BA (1976), MA (1980), and PhD (1981) from Cambridge University, where he was a fellow of St John's College. He was Joseph Hodges Choate Memorial Fellow at Harvard (1976-7), National Endowment for the Humanities long-term fellow at the Folger Shakespeare Library in Washington, DC (1993), R. Stanton Avery Distinguished Fellow at the Huntington Library, San Marino, CA (1998-9), and the Renaissance Society of America's Discipline Representative in Legal and Political Thought (2015-18).