Djillali HadjouisDjillali Hadjouis, a specialist in paleontology, paleoanthropology and paleopathology, was departmental archaeologist of Val-de-Marne (France) and research director at CNRPAH (Algeria). He is currently editor of the journal of orthodontists SBR (Pari) and member of the UISPP (commission Methods and Theories in Archaeology). His research focuses on the historiography and history of science. Francois Djindjian, specialist in the theory and methods of archaeology and the European Upper Palaeolithic, and honorary professor at the University of Paris 1 Pantheon Sorbonne, is the current president of the International Union of Prehistoric and Protohistoric Sciences (UISPP). Read More Read Less