Color blindness all variations in human color vision involve the red and green receptors in male eyes. It is very rare for males or females to be "blind" to the blue end of the spectrum. The first scientific paper on the subject of color blindness, "Extraordinary facts relating to the vision of colours", was published by the English chemist John Dalton in 1798 after the realization of his own color blindness. Because of Dalton's work, the general condition has been called "daltonism", although in English this term is now used only for deuteranopia. Color codes present particular problems for those with color
John Wilkinson (chemist) John Wilkinson (chemist) John Wilkinson (born 1961) is an English, independent scientist specialising primarily in organic chemistry, phytochemistry, pharmacognosy, and synergism in botanical medicines, botanical foods and ecological biochemistry, and who led the first European degree course (Bachelor of Science with Honours) for herbal medicine, at Middlesex University in the United Kingdom in 1994. Wilkinson was born in Croydon, Surrey, UK in 1961. By the time he was 12 years old he had his own private laboratory and still does to this day. He went on to study chemistry – by – thesis at Sussex University where he undertook a