Daniel KellerDaniel Keller wrote his doctoral thesis on the glass finds from Petra in Jordan at the University of Basel, Switzerland. He was a Post-Doctoral Research Fellow at the Byzantinische Archäologie Mainz in Germany from 2006 to 2009, and has been a libraran in the University of Basel since 2009. He has particular research interests in late antique, Byzantine and early Islamic glass in Jordan and Egypt. Read More Read Less