Ismail Warscheid, Ph.D. in History (2014), EHESS, is a tenured researcher at the National Center for Scientific Research in Paris. He has published in a number of edited volumes and journals, including Studia Islamica, JESHO, and REMMM.
Sami Bargaoui, Manouba University, Tunisia, in Journal of the American Oriental Society (2020), 140.1, pp 233-235
[...]There are few if any studies of pre-modern Saharan society that have in this way combined Islamic scholarship and social history. Warscheidâs book will become required reading for anyone interested in the history of the Sahara, and should also be central as a comparative case study for those working on Islamic law, scholarship and society south of the desert.[...]