Investigative Ophthalmology and Visual Sciences Editorial Board (1984-1987) Clinical Vision Sciences Editorial Board (1986-1993) Journal of the Optical Society of America A Topical Editor, Color (1991-1997) Color Research and Application Editorial Board (1991-present) Proceedings, International Research Group on Colour Vision Deficiencies Associate Editor (1995, 1997) Proceedings of the International Colour Vision Society Co-editor (1999, 2001, 2002) Journal of Vision Editorial Board (2000-present) Encyclopedia of Imaging Science and Technology J.P. Hornack (Ed), Wiley, 2002, Editorial Board				Joel with son, Charlie.