He was the son of a Quaker weaver, when he was 12 years old he took charge of Quaker school in Cumberland, then two years later he taught with his brother at a school in Kendal, He stayed there for 12 years. After that Dalton became a teacher at a New Collage where he taught mathematics and natural philosophy he resigned this position in 1800, to be a secretary of the Manchester Literary and Philosophical Society and served as a public and private teacher of mathematics and chemistry. During 1817 John Dalton became President of the Philosophical Society, he held this position until his death. Dalton life influenced by a wealthy Quaker, a meteorologist and instrument maker, who interested him in the problems of mathematics and meteorology. His first Scientific work in 1787 and it continued to until the end of his life. He kept a diary which had 200,000 entries of meteorological observations recording the changeable climate of the lake district in which he lived. During 1793 John Dalton published Meteorological Observation and Essays. Dalton had talent for formulating a theory from a variety of data. even though he taught Chemistry for six years he had no experience in Chemical research. His homemade equipment was crude his data wasn't usually exact but it was good enough to give his alert and creative mind clues to the probable answer. The exact date of some of his work like the Atomic Theory is still in doubt , all his documents were destroyed when the bombing of England in World War Two. He received a gold metal in 1826 he also was a cofounder of the British Association for the Advancement of Science. When he died more than 40,000 people went to Manchester to pay their final respects. .
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