Erich Goode is Professor Emeritus of Sociology at the State University of New York at Stony Brook. His previous books include The Marijuana Smokers (1970), Collective Behavior (1992), Deviance in Everyday Life (2002), Extreme Deviance (edited with Angus Vail, 2008), Drugs in American Society (7^th edition, 2008), and Deviant Behavior (8^th edition, 2008).

Nachman Ben-Yehuda is Professor of Sociology at the Hebrew University of Jerusalem. His publications include Deviance and Moral Boundaries (1985), The Politics and Morality of Deviance (1990), Political Assassinations by Jews: A Rhetorical Device for Justice (1993), The Masada Myth (1995), Betrayals and Treason (2001), and Selective Remembrances (edited with Philip Kohl and Mara Kozelsky, 2007).