STUART B. SCHWARTZ is George Burton Adams Professor of History at Yale University. His scholary work concentrates on the early history of Latin America and the history of Brazil. He is the author of Slaves, Peasants, and Rebels: Reconsidering Brazilian Slavery (1992) and Sugar Plantations and the Formation of Brazilian Society: Bahia 1550-1835 (1985), which won the American Historical Association's Bolton Prize for the Best Work in Latin American History. Professor Schwartz is also editor of Implicit Understandings: The Encounter Between Europeans and Other Peoples in the Early Modern Era (1994) and a coeditor of The Cambridge History of Native American Peoples (1999). A former fellow of the John Simon Guggenheim Memorial Foundation, the Institute for Advanced Study, and the American Council of Learned Societies, he is currently completing a work entitled The Rebellion of Portugal and the Crisis of the Iberian Empires, 1621-1668.