James R. Jacob, now retired, was Professor of History at John Jay College of Criminal Justice, CUNY. His publications include ROBERT BOYLE AND THE ENGLISH REVOLUTION (1978) and HENRY STUBBE: RADICAL PROTESTANTISM AND THE EARLY ENLIGHTENMENT (1983). James R. and Margaret C. Jacob jointly edited THE ORIGINS OF ANGLO-AMERICAN RADICALISM (1983). As coauthor of the Cengage Learning text WESTERN CIVILIZATION: IDEAS, POLITICS, AND SOCIETY, he contributes the chapters on the Renaissance and European Expansion.