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Essay on John Dalton | ||
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This is the first 1,000 characters of 487 words (1.95 pages) in the essay titled John Dalton Dalton, John (1766-1844), British chemist and physicist, who developed the atomic theory upon which modern physical science is founded. Dalton was born on September 6, 1766, in Eaglesfield, Cumberland County, England. He was the son of a weaver and received his early education from his father and at a Quaker school in his native town, where he began teaching at the age of 12. In 1781 he moved to Kendal, where he conducted a school with his cousin and his elder brother. He went to Manchester in 1793 and spent the rest of his life there as a teacher, first at New College and later as a private tutor. He died in Manchester on July 27, 1844.Dalton began a series of meteorological observations in 1787 that he continued for 57 years, accumulating some 200,000 observations and measurements on the weather in the Manchester area. Dalton s interest in meteorology led him to study a variety of phenomena as well as the instruments used to measure them. He was the first to prove the validity of the concept that rain is precipitated by a decrease in temperature, not by a change in atmospheric pressure. Dalton s first work, Meteorological Observations and Essays (1793), attracted little attention, however. In the following year he presented a paper on color blindness, a condition from which Dalton himself suffered, before the Manchester Literary and Philosophical Society. This paper was the earliest description of this phenomenon of vision, which became known as Daltonism. Dalton s mos... |
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Keywords: modern physical science, john dalton, atomic weights, daltonism, color blindness, weather, meteorological observations, literary and philosophical society, manchester area, atomic theory, chemistry physics, chemical philosophy, british chemist, quaker school, private tutor, county england, elder brother, early education, atmospheric pressure, cumberland county