Denis Gril (Ph.D. 1983, Habilitation 1993 Aix-en-Provence): Professor emeritus of Arabic and Islamic Studies, University of Aix-Marseille, IREMAM. His main areas of research are the work of Ibn al-ʿArabī, the history of Sufism and the scriptural foundations of spirituality in Islam. Stefan Reichmuth (Ph. D. 1983 Berlin, Habilitation 1992 Bayreuth): retired Professor, Arabic and Islamic Studies, Bochum University. Research on Islam and Arabic in Africa, Islamic Education, scholarly networks. Publications include: “Aspects of Prophetic Piety in the Early Modern Period” (2017).Dilek Sarmis (Ph.D. Paris 2016), EHESS (Paris), Associate Professor at the University of Strasbourg. Specialist in intellectual history and history of knowledge in the late Ottoman Empire and Republican Turkey, working on conservatisms and on the history of social sciences in Turkey.ContributorsHiba Abid, Nelly Amri, Caterina Bori, Francesco Chiabotti, Rachida Chih, Adrien de Jarmy, Daniel De Smet, Mohamed Thami El Harrak, Brigitte Foulon, Denis Gril, Christiane Gruber, Tobias Heinzelmann, David Jordan, Pierre Lory, Catherine Mayeur-Jaouen, Samuela Pagani, Alexandre Papas, Michele Petrone, Stefan Reichmuth, Meryem Sebti, Dilek Sarmis, Matthieu Terrier, Jean-Jacques Thibon, Marc Toutant, Ruggiero Vimercati Sanseverino.