Professor Michael Hann (BA, M.Phil, PhD, FRSA, FTI) holds the Chair of Design Theory at the University of Leeds. He is also Director of the University of Leeds International Textiles Archive (ULITA). He has published across a number of subject areas, has made numerous key-note addresses at international conferences, and is an acknowledged international expert on the geometry of design. Previous publications with Berg are: Structure and Form in Design (2012) and Symbol, Pattern and Symmetry (2013). Author affiliation details are correct at time of print publication.