He is currently an associate professor in the School of journals. He began his career over 40 years ago, researching the physics of luminescent materials, electro-Optometry, University of New South Wales and Director of the Optics and Radiometry Laboratory (a calibration luminescence, and photoluminescence. He is President of Prime-Color, Inc. Before forming Prime-Color, he and product testing and development facility). He teachesand researches in two areas, color vision and occupa-worked at General Electric Research Laboratory, Schenectady, New York and then Westinghouse Lamp Divi-tional aspects of eyes and vision. He is a committee member of the International Colour Vision Society, Chair of sions, Bloomfield, New Jersey. From early work on the electrical and optical properties of lighting materials, he the Colour Society of Australia (NSW Division) and an Associate Editor of this journal. He is a member of many turned to studying lamp design, lamp and phosphor evaluation, color rendering, color and human vision. He has Standards Australia Committees relating to color and vision and is the Australian representative to the ISO sun-designed, patented, and marketed instruments for the lighting industry receiving the U.S. National ''Inventor glass standard working group. SIMONE GRAY and LEIGH TRAN completed B. Optom. degrees in the of the Year'' in 1979. He has also been recognized with Westinghouse's Order of Merit, and selection as a Fellow