Florestan Fernandes, since 1977 a full professor of sociology at the Catholic Pontifical University of Sao Paulo, was educated in the Faculty of Philosophy, Sciences, and Letters of the University of São Paulo, where he taught from 1945 until his forced retirement in 1969. He has also held appointments at Columbia University, the University of Toronto, and Yale University. Fernandes is the author of more than twenty-five books on subjects ranging from folk culture and race relations to economic development and class organization. Warren Dean received his PhD from the University of Florida in 1964 and is now a full professor of history at New York University, specializing in the economic and social history of Latin America. Previously affiliated with the University of Texas-Austin, he has also taught at Princeton University, Columbia University, and the University of São Paulo. His many publications include The Industrialization of São Paulo (1969) and Rio Claw: A Brazilian Plantation System (1976).