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41 Eg.
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42 Egyptologist
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43 Mees, Charles Edward Kenneth
SUBJECT AREA: Photography, film and optics[br]b. 1882 Wellingborough, Englandd. 1960 USA[br]Anglo-American photographic scientist and Director of Research at the Kodak Research Laboratory.[br]The son of a Wesleyan minister, Mees was interested in chemistry from an early age and studied at St Dunstan's College in Catford, where he met Samuel E.Sheppard, with whom he went on to University College London in 1900. They worked together on a thesis for BSc degrees in 1903, developing the work begun by Hurter and Driffield on photographic sensitometry. This and other research papers were published in 1907 in the book Investigations on the Theory of the Photographic Process, which became a standard reference work. After obtaining a doctorate in 1906, Mees joined the firm of Wratten \& Wainwright (see F.C.L.Wratten), manufacturers of dry plates in Croydon; he started work on 1 April 1906, first tackling the problem of manufacturing colour-sensitive emulsions and enabling the company to market the first fully panchromatic plates from the end of that year.During the next few years Mees ran the commercial operation of the company as Managing Director and carried out research into new products, including filters for use with the new emulsions. In January 1912 he was visited by George Eastman, the American photographic manufacturer, who asked him to go to Rochester, New York, and set up a photographic research laboratory in the Kodak factory there. Wratten was prepared to release Mees on condition that Eastman bought the company; thus, Wratten and Wainwright became part of Kodak Ltd, and Mees left for America. He supervised the construction of a building in the heart of Kodak Park, and the building was fully equipped not only as a research laboratory, but also with facilities for coating and packing sensitized materials. It also had the most comprehensive library of photographic books in the world. Work at the laboratory started at the beginning of 1913, with a staff of twenty recruited from America and England, including Mees's collaborator of earlier years, Sheppard. Under Mees's direction there flowed from the Kodak research Laboratory a constant stream of discoveries, many of them leading to new products. Among these were the 16 mm amateur film-making system launched in 1923; the first amateur colour-movie system, Kodacolor, in 1928; and 8 mm home movies, in 1932. His support for the young experimenters Mannes and Godowsky, who were working on colour photography, led to their joining the Research Laboratory and to the introduction of the first multi-layer colour film, Kodachrome, in 1935. Eastman had agreed from the beginning that as much of the laboratory's work as possible should be published, and Mees himself wrote prolifically, publishing over 200 articles and ten books. While he made significant contributions to the understanding of the photographic process, particularly through his early research, it is his creation and organization of the Kodak Research Laboratory that is his lasting memorial. His interests were many and varied, including Egyptology, astronomy, marine biology and history. He was a Fellow of the Royal Society.[br]Principal Honours and DistinctionsFRS.Bibliography1961, From Dry Plates to Ektachrome Film, New York (partly autobiographical).BCBiographical history of technology > Mees, Charles Edward Kenneth
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44 Rillieux, Norbert
SUBJECT AREA: Agricultural and food technology[br]b. 1800 New Orleans, Louisiana, USAd. 1894 France[br]African-American inventor of a sugar-evaporation process.[br]A free black, he was the son of Vincent Rillieux, a white engineer, and Constance Vivant, a quadroon. The family was prosperous enough to send him to France to be educated, at the Ecole Centrale in Paris. There he studied engineering and later taught mechanical engineering, developing a special interest in thermodynamics and steampower. In 1830 he devised a vacuum evaporation system with industrial possibilities, but he was unable to interest any French firms in the device. He therefore returned to New Orleans and ob-tained his first patent in 1843. Two years later he was able to have the evaporation system installed on a plantation to refine sugar. It soon demonstrated its worth, for planters were able to recoup the cost of the plant within a year through raised production and reduced operating costs. It came to be the generally accepted method for processing sugar-cane juice, and the price of refined sugar fell so that white sugar ceased to be a luxury food for the rich.Rillieux's patents protected him from repeated efforts to counterfeit the process, which thus earned him considerable wealth. However, because of increasing hostility and discriminatory laws against blacks in New Orleans, he did not long enjoy it and he returned to France, taking up the study of egyptology.[br]Further ReadingP.P.James, 1989, The Real McCoy: AfricanAmerican Invention and Innovation 1619– 1930, Washington, DC: Smithsonian Institution, pp. 41–3.LRD
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