Trevor H. J. Marchand is Emeritus Professor of Social Anthropology at SOAS, University of London, and recipient of the Royal Anthropological Institute's Rivers Memorial Medal. He is also a trained architect (McGill University) and qualified as a fine woodworker at London's Building Crafts College. Marchand has conducted fieldwork with craftspeople around the world and published extensively, including the monographs Minaret Building and Apprenticeship in Yemen (Routledge, 2001) and The Masons of Djenné (Indiana, 2009).