Christopher Turk is a Senior Research Fellow at the University of Wales, College of Cardiff, UK. He has lectured widely on aspects of communication in the UK, Belgium and Sweden. He was a Visiting Faculty member at Yale University in 1983-84, and a Visiting Fellow at the University of Geneva in 1985. He was Paul Mellon Fellow at Yale in 1986. His other publications include several articles on computer-aided writing, Effective Speaking (E. & F.N. Spon, 1985), Machine Learning of Natural Language, (Springer-Verlag, 1989) and Humanities Research Using Computers (Chapman & Hall, 1991). He has a special research interest in the processing of natural language by computer, a branch of artificial intelligence.
John Kirkman was formerly Director of the Communication Studies Unit at the University of Wales Institute of Science and Technology, Cardiff (now University of Wales, College of Cardiff), UK. Since 1983, he has worked full-time as a consultant on scientific and technical communication. He has consulted for more than 200 organizations in 16 countries. He has been a Visiting Lecturer in Technical Communication at the University of Michigan, USA, and a Visiting Fellow in Linguistics at Princeton University, USA. He has published more than 70 articles, and has written, edited or contributed to 10 books, including Good Style: writing for science and technology (E. & F.N. Spon, 1991), and Full Marks: advice on punctuation for scientific and technical writing (ISTC, 1991). The Society for Technical Communication (USA) gave him its Outstanding Article Award in 1974, and an Award for Distinguished Technical Communication (shared with Peter Hunt) in 1987.