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- Chair, Working Group 41:
Procedures for Testing Color Vision.
Committee on Vision,
National Research Council
National Academy of Sciences
(1973 - 1980)
- Chair, Standardization Committee.
International Research Group on Colour Vision Deficiencies
(1985 1995)
- Chair (1990-1991); Vice Chair (1988-1989)
Color Technical Group, Optical Society of America - Chair, Standardization Committee.
Joel checking optical alignment.