Rodney Stark is Professor of Sociology and Comparative Religion at the University of Washington. Among his many books are The Rise of Christianity (1996), The Future of Religion: Secularization, Revival, and Cult Formation (California, 1985), and, with Roger Finke, The Churching of America, 1776-1990: Winners and Losers in Our Religious Economy (1992). Roger Finke is Professor of Sociology at Pennsylvania State University.