Frederick A.A. KingdomFrederick A. A. Kingdom, PhD, is Professor Emeritus in the Department of Ophthalmology at McGill University. His research focuses on visual perception, encompassing a broad range of topics in human vision and sensory processing. Before joining McGillUniversity in 1990, he studied and held research positions at the Universities of Cambridge, London, and Reading. His work has contributed to the understanding of visual perception across a range of topics, including visual illusions. In 2007, he received first prize in the Neural Correlate Society’s Best Visual Illusion Contest for the Leaning Tower Illusion. Read More Read Less