Werner J. Einstadter is professor emeritus of criminology and sociology at Eastern Michigan University. He has published works on robbery, critical theory, privacy and corrections. Prior to his academic career, Dr. Einstadter held a number of positions in correctional settings. Stuart Henry is a professor of criminology and Director of the School of Public Administration and Urban Studies at San Diego State University. Previously he was Chair of Interdisciplinary Studies at Wayne State University. His twenty two books include, Constitutive Criminology (with Dragan Milovanovic), and (with Mark Lanier) What is Crime? (2001), Essential Criminology(2004), and The Essential Criminology Reader. He serves on the editorial boards of Theoretical Criminology and Critical Criminology and is a member of the Board of Directors of the Association of Integrative Studies.