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
The Chemist (film) The Chemist (film) The Chemist is a 1936 American short comedy film featuring Buster Keaton. Elmer Triple is a chemist who is a constant source of frustration to his professor boss, who feels that while he showed promise at a young age he has ultimately never used his gifts for anything useful. Elmer aims to correct him by showing a series of concoctions he has developed. The first liquidizes an entire breakfast which can then be consumed in one gulp. Elmer's second invention can make things grow to three times their original size, which he demonstrates on a parrot and