Anthony Elliott is Director of the Hawke Research Institute, where he is Research Professor of Sociology at the University of South Australia.Masataka Katagiri is a Professor at Chiba University, Chiba. His recent books include Jiko no Hakken: Shakaigaku-shi no Furontia ([Discovery of the Self: Frontier of the History of Sociology], Seakai-shiso-sha, 2011) and Ninchi Shakaigaku no Koso: Kategori, Jiko, Shakai ([The Basic Idea of Cognitive Sociology: Category, Self and Society], Sekai-shiso-sha, 2006).Atsushi Sawai is Professor of Sociology at Keio University, Tokyo. His recent books include Karl Manheim: Jidai o Shindansuru Bomeisha ([Karl Mannheim: An Exile Diagnosing an Epoch], Toshin-do, 2004) and Shi to Shibetsu no Shakaigaku ([The Sociology of Death and Bereavement: A Social Theory Approach], Seikyu-sha, 2005).