Lawrence BarhamLawrence Barham is Professor in the School of Archaeology, Classics and Egyptology at the University of Liverpool. A scholar of the evolution of symbolic behaviours, he is the author of The Middle Stone Age of Zambia and co-author of Human Roots: Afrca and Asia in the Middle Pleistocene. Barham serves on the Council of the British Institute in Eastern Africa and is editor of the journal Before Farming: The Archaeology and Anthropology of Hunter-Gatherers. Read More Read Less