Ran BarkaiRan Barkai is a professor of prehistoric archaeology and former chair of the Department of Archaeology and Ancient Near EasternCultures at Tel Aviv University. His research focuses on technological, cultural and social evolution during the Paleolithi and Neolithic periods. For the past twenty years, he has co-directed the excavations and research at Middle Pleistocen Qesem Cave. His research also addresses the study of stone tools at the Revadim and Jaljulia sites. Read More Read Less