First published in 1993. Routledge is an imprint of Taylor & Francis, an informa company.Roger Backhouse, University of Birmingham; Meriel Bloor, University of Warwick; Tom Bloor, Aston University; Charles Bazerman, Georgia Institute of Technology, USA; Vivienne Brown, Open University; Tony Dudley-Evans, University of Birmingham; Bill Gerrard, University of York; Britt-Louise Gunnarsson, Uppsala University, Sweden; Uskali Maki, United Nations University, Finland