Metin I Eren Metin I. Eren is an Associate Professor of Anthropology at Kent State University and a Research Associate at the Cleveland Museum of Natural History. He is Co-Director of the Kent State University Experimental Archaeology Laboratoryand has conducted research in North America, Europe, Africa, and Asia. A master flintknapper, Eren knaps, uses, shoots, and breaks stone technologies from across the Stone Age to figure out how they work and to better understand technological evolution. Read More Read Less