Charles Hayter (24 Feb. 1761-1 Dec.r 1835) was an English painter. ... son of Charles Hayter (1728–1795), an architect from Twickenham, and his wife, Elizabeth Holmes. He first trained with his father, but showed an inclination for drawing by producing some small pencil portraits, principally of family members. He was enrolled in the Royal Academy Schools in London in 1786 at the late age of about 25. From then on, he worked as a painter of portrait miniatures in London... He exhibited 113 portrait miniatures between 1786 and 1832, principally at the Royal Academy, and had a reputation for creating a good likeness. Hayter married Martha Stevenson in 1788. His 2 sons and daughter were all successful artists; Sir George Hayter, John Hayter, and Anne Hayter who, like her father, was a miniature painter. ...published A New Practical Treatise on the Three Primitive Colours Assumed as a Perfect System of Rudimentary Information (London 1826), in which he described how all colours could be obtained from just 3. https://en.wikipedia.org/wiki/Charles_Hayter Based on physicist Thomas Young’s theory that all colours can be mixed from the 3 basic colours of red, blue and yellow, Hayter composed a disc-shaped compendium with black at its centre. But Hayter does not here distinguish between additive mixtures of light and subtractive mixtures of pigments. From the point of view of scientific histroy, Hayter’s system belongs to an era in which the argument — which had continued since the time of Newton — about the nature of light and whether it was composed of waves or particles seemed finally to have been resolved. This is therefore a good time to comment on related research from the first half of the 19th century. Date: Charles Hayter’s work appeared in 1826 in London and described how all colours could be obtained from just three. http://www.colorsystem.com/?page_id=775&lang=en undefined

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