A history of sociological theory presented through a study of major theorists from the early 20th century to the present. Contains separate chapters on Comte, Marx, Spencer, Durkheim, Simmel, Weber, Veblen, Cooley, Mead, Park, Parento, Mannheim,and Sorokin, a chapter on William I. Thomas and Florian Znaniecki, and a concluding chapter on major American fingures of recent decades.