In association with the Colour Group (Great Britain), the International Colour Vision Society (ICVS) organised a symposium to celebrate the retirement of Barry Lee. Barry has long been on the board of the Society, he hosted the ICVS symposium in Göttingen (Germany) in 1999 and was awarded the Verriest medal in 2007. Barry Lee gave the Historical Lecture "The Primate Visual Pathway and Color Vision: A Historical View" sponsored by Cambridge Research Systems.