Bertille Lyonnet is Directrice de Recherches Emeritus at the French National Center for Scientific Research (CNRS), Paris, as an archaeologist. She has worked in Central Asia (Afghanistan, Tadjikistan, and Uzbekistan), northeastern Syria, the northern Caucasus, and Azerbaijan. A specialist in ceramics, she has always shown a particular interest in the interrelations between the different areas of the world where she has worked. She is the author of several books and over 150 articles. Nadezhda A. Dubova is a main researcher and head of the Center of Human Ecology at the Institute of Ethnology and Anthropology (IEA) of the Russian Academy of Sciences, Moscow, Russia. She was the head and/or a member of more than 60 physical anthropological and archaeological expeditions in Russia, Central Asia, Iran, and the Moldova Republic. She now heads the International Russian-Turkmen Margiana archaeological expedition. She gives lectures at different universities (Lomonosov Moscow, Ufa (Bashkortostan), Voronezh, South Kazakhstan (Shimkent), and Bern (Switzerland)). She is the author and editor of more than 400 publications on physical anthropology, human ecology, Eurasian archaeology, and theoretic problems of anthropology.