Douglas E. Cowan is Professor of Religious Studies and Social Development Studies at Renison University College, at the University of Waterloo. He is the author of Cults and New Religious Movements: A Brief History, Cyberhenge: Modern Pagans on the Internet (2005), Bearing False Witness? An Introduction to the Christian Countercult(2003) Sacred Terror: Religion and Horror on the Silver Screen (2008) and Sacred Space: The Quest for Transcendence in Science Fiction Film and Television (2010).
David G. Bromley is Director of the World Religions and Spirituality Project and Professor of Religious Studies and Sociology in the School of World Studies at Virginia Commonwealth University. His most recent publications include Defining Religion: Critical Approaches to Drawing Boundaries Between Sacred and Secular (2003) and Cults, Religion and Violence (2001).