Alexander Keyssar is Matthew W. Stirling Jr. Professor of History and Social Policy at Harvard University. He is a specialist in late-nineteenth- and twentieth-century social and political history. His first book, Out of Work: The First Century of Unemployment in Massachusetts, won the Frederick Jackson Turner Award of the Organization of American Historians. His most recent book is The Right to Vote: The Contested History of Democracy in the United States, a finalist for the Pulitzer Prize and winner of the Albert J. Beveridge Award of the American Historical Association.