Nils Jacobsen is Associate Professor of History and Director of the Center for Latin American and Caribbean Studies at the University of Illinois, Urbana-Champaign. He is the author of Mirages of Transition: The Peruvian Altiplano, 1780–1930.CristÓbal AljovÍn de Losada is Director of the Master’s Program in History at the Universidad Nacional Mayor de San Marcos in Lima, Peru. He is the author of Caudillos y constituciones: PerÚ, 1821–1845.