Paul Dresch is an emeritus Fellow of St John's College, Oxford. His publications include Tribes, Government, and History in Yemen (1989), A History of Modern Yemen (2000), and The Rules of Barat (2006). He has co-edited volumes (with Pierre Bonte and Edouard Conte) on Islamic politics and kinship and (with James Piscatori) on the Arab Gulf. With Hannah Skoda he co-edited Legalism: Anthropology and History (2012).
Judith Scheele is a Social Anthropologist and a Post-Doctoral Research fFellow at All Souls College, Oxford. Her publications include Village Matters: Knowledge, Politics and Community in Kabylia (2009) and Smugglers and Saints of the Sahara: Regional Connectivity in the Twentieth Century (2012). She has co-edited (with James McDougall) Saharan Frontiers: Space and Mobility in Northwest Africa (Indiana UP) and (with Fernanda Pirie) Legalism: Community and Justice (OUP, 2014).