Alexandra Cuffel is Professor of the history of Jewish Religion at Ruhr University, Germany. Her work focuses on Jewish-Christian-Muslim relations in the Middle Ages, particularly in the realms of inter-religious polemic and gender. She has written articles on gender in Jewish mysticsm, inter-religious polemic, Arabic epics, and shared religious practices, and has published a monograph, Gendering Disgust in Medieval Religious Polemic (2007). She is currently leading a project, "JEWSEAST" (Jews and Christians in the East: Strategies of Interaction from the Mediterranean to the Indian Ocean) and co-directing a project "The Ten Lost Tribes" A Cross-Cultural Approach". Ana Echevarria is Profesora titular of Medieval History at UNED, Spain. She works on relations between Muslims and Christians, especially interreligious polemic, Muslims living under Christian rule, and crusade. Among her books, Knights in the Borders. The Moorish Guard of the Kings of Castile (1410-1467) (2008) and The City of the Three Mosques: Ávila and its Muslims in the Middle Ages, (2011). She has been Visiting Fellow in several US and German universities, and has finished a project about "Mudejars and Moriscos in Castile". Georgios T. Halkias is Assistant Professor of Buddhist Studies, The University of Hong Kong. He specializes on Tibetan and Himalayan Buddhism and inter- and intra-religious contacts in Central Asia. Currently Co-editor-in-chief of the Oxford Encyclopaedia of Buddhism (OUP) he has worked on several editorial projects including Principle Editor for Tibetan and Central Asian bibliographies on Buddhism and as co-editor for Contemporary Visions in Tibetan Studies. He has many publications including Luminous Bliss: A Religious History of Pure Land Literature in Tibet. He has recently completed a project at the Centre of Buddhist Studies titled "Entangled Histories between East and West: Sources and Interpretations for the Development of Buddhism in Hellenistic Central Asia."