Barry D Adam, Professor of¿ Sociology, University of Windsor, is the author of The Rise of a Gay and Lesbian Movement and Experiencing HIV (with Alan Sears). Jan Willem Duyvendak, Professor of Community Development, Erasmus University of Rotterdam, has¿ published two books on the new social movements and one on the gay movement. Andre Krouwel is Assistant Professor of Comparative Political Science at the Vrije Universiteit of Amsterdam.