role. Sociologists see this article as a paradigmatic case of functionalist logic, and indeed, Davis came to be a leading figure in this school of sociology. As a demographer, Davis was internationally recognized for his expertise in world population growth and resources, the history and theory of international migration, world urbanization, demographic transition and population policy. Published works Kingsley Davis was a prolific scholar who published numerous research articles, book chapters and books. Books Chapters Edited volumes Other writing In the popular press, Davis' work appeared in "Scientific American," "Science," the "New York Times Magazine," "Commentary," "Foreign Affairs" and numerous newspapers. In 1957, Davis predicted that population of the world would reach six billion by the year 2000. He was remarkably close; that population figure was reached in October 1999. References Further reading David Heer and Kingsley Davis. "Kingsley Davis: A Biography and Selections from His Works" (Transaction Publishers, 2005) External links Kingsley Davis at Encyclopædia Britannica Obituary at Stanford News Biography at the American Sociological Association Biography from Proceedings of the American Philosophical Society 1908 births 1997 deaths American sociologists American demographers Presidents of the American Sociological Association Members of the United States National Academy of Sciences Harvard University alumni University of Texas alumni Fellows of the American Statistical Association Members of the American Philosophical Society