Lindsay MacDonald, BSc, BEng (Sydney), PhD (London), FRPS, is an Honorary Professor in the Faculty of Engineering Sciences at University College London. He worked for 20 years in research and development of products for the graphic arts, then as Professor of Digital Media in three UK universities. He is the author of over 200 articles in journals and conference proceedings, and the co-editor of ten books. His professional interest is in the application of colour image science to cultural heritage. He is a Fellow of the Royal Photographic Society (RPS) and also currently Vice-Chairman of the Stratford Society.