About the Author
Patrick Sims-Williams is Professor of Celtic Studies at the University of Wales, Aberystwyth. He is the author of ‘Religion and Literature in Western England, 600-800’ (1990) and ‘Britain and Early Christian Europe’ (1995). He is also the co-editor of ‘Ptolemy: Towards a Linguistic Atlas of the Earliest Celtic Place-Names of Europe’ (2000), and the editor of Cambrian Medieval Celtic Studies.