**About the Editors**

#### **Paolo Biagi**

Paolo Biagi (Full Professor Ph.D.) is a Senior Researcher of Prehistory and Protohistory at Ca' Foscari University of Venice, Italy. He has carried out research and excavations in several countries of Europe, the Caucasian mountains of Georgia, the Indian Subcontinent, and the Arabian Peninsula. His main interests regard the archaeology of the coasts of the Arabian Sea and the Indus Valley, the exploitation of the highland zones, in particular the Alpine chain, the Pindus range, and the Caucasus, and the exploitation and circulation of raw material sources, chert and obsidian in particular.

#### **Elisabetta Starnini**

Elisabetta Starnini (Ph.D.) is an Associate Professor of Prehistory and Protohistory at the Department of Civilizations and Forms of Knowledge of the University of Pisa, Italy. She has researched and excavated in several European countries, including Italy, Hungary, and Greece, the Indian Subcontinent, and the Arabian Peninsula. Her main interests regard the scientific identification, exploitation, and circulation of raw materials, particularly rocks for prehistoric artifacts from the Palaeolithic to the Bronze Age, among which are chert, obsidian, and metamorphic rocks.
