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
Michael Barber (chemist) Michael Barber (chemist) Michael Barber (3 November 1934 – 8 May 1991) was a British chemist and mass spectrometrist best known for his invention of fast atom bombardment ionization. Barber was born just outside Manchester on and from Manchester Grammar School went to Queen's College, Oxford to study chemistry. He remained at Oxford for his PhD, which involved the design of a mass spectrometer under the supervision of John Wilfrid Linnett. In 1961 he returned to Manchester to work at the Scientific Instruments division of Associated Electrical Industries. In 1973 he took up a lectureship position at UMIST and was