J. P. Mallory is Professor of Prehistoric Archaeology at the Queen's University of Belfast. He holds a PhD in Indo-European Studies (1975) from the University of California. His books include In Search of the Indo-Europeans (1989) and, with Victor Mair, The Tarim Mummies: The Mystery of the First Westerners in Ancient China (2000). He is currently the editor of the Journal of Indo-European Studies and was elected to the Royal Irish Academy in 1996. D. Q. Adams is Professor of English at the University of Idaho. He holds a PhD in Linguistics (1972) from the University of Chicago (1972).