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
Thomas Richardson (chemist) with T. W. Miller and R. Taplin's "Report … on Hartley Coal". About 1866 Richardson carried out, with Lavington E. Fletcher at Kirklees, near Wigan, a similar series of experiments, which were published in 1867 as "Experiments … [on] the Steam Coals of Lancashire and Cheshire". Richardson published fifteen independent papers and six in collaboration with E. J. J. Browell (a fellow lecturer at the Newcastle school of medicine, and partner), John Lee, Pelouze, Sopwith, and Robert Dundas Thomson, on chemical questions. Thomas Richardson (chemist) Thomas Richardson FRS FRSE MRIA AICE (1816–1867) was an English industrial chemist, and industrial historian.