Thomas E. Levy is Professor of Anthropology and Judaic Studies at the University of California, San Diego (UCSD). Formerly, the Assistant Director of the W.F. Albright Institute of Archaeological Research (one of the American Schools of Oriental Research) and the Nelson Glueck School of Biblical Archaeology of the Hebrew Union College, Jerusalem, he joined the UCSD faculty in 1992 where he has served as Chair of the Department of Anthropology and Director of the Judaic Studies Program. Since 1997 he has been the principal investigator of the Jabal Hamrat Fidan project in southern Jordan. Thomas Higham is Deputy Director of the Oxford Radiocarbon Accelerator Unit, Research Laboratory for Archaeology and the History of Art, Oxford University.