Edmund Gussmann is Professor and Chair of Icelandic in the School of Scandinavian Studies of Adam Mickiewicz University, Poznan. He was formerly head of the Department of Celtic, at the Catholic University of Lublin and visiting professor at University College Dublin, UCLA, and University of London. He has worked in phonological theory and the phonology of Polish, English, Icelandic and Irish. His books include Introduction to Phonological Analysis (1980), Studies in Abstract Phonology (1980), Phono-Morphology (1985), Rules and the Lexicon (1987), Licensing in Syntax and Phonology (1995), A Reverse Dictionary of Modern Irish, with A. Doyle, (1996), and Phonology. Analysis and Theory (2002).