William J. Hardcastle is Professor of Speech Sciences and Head of the Department of Speech and Language Sciences at Queen Margaret College, Edinburgh. From 1974 until 1993 he worked in the Department of Linguistic Science at Reading University where he was Professor of Speech Science and Director of Speech Research Laboratory. He has published books and articles in a number of different areas of speech science including the mechanisms of speech production and sensori-motor control in both normal and pathological speech. He is Fellow of the Institute of Acoustics and has been President of the I...