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John Dalton (1803-1807)- Known as "The Father of modern chemistry." Made the first comprehensive description of the behavior of all matter.

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John Dalton (1766-1844).......Dalton was an English chemist, meteorologist and physicist. He is best known for his pioneering work in the development of modern atomic theory, and his research into colour blindness (sometimes referred to as Daltonism, in his honour).

Various atoms and molecules as depicted in John Dalton's A New System of Chemical Philosophy (1808). Dalton (6 September 1766 – 27 July 1844) was an English chemist, meteorologist and physicist.

John Dalton was born September 6, 1766, in Eaglesfield, England. During his early career, he identified the hereditary nature of red-green color blindness. In 1803 he revealed the concept of Dalton’s Law of Partial Pressures. Also in the 1800s, he was the first scientist to explain the behavior of atoms in terms of the measurement of weight. Dalton died July 26, 1844 in Manchester, England.

John Dalton ~ In this video, Arnold Thackray, founder of the Chemical Heritage Foundation, describes how John Dalton's book on meteorology led to his discovery of the nature of atoms.

Various atoms and molecules as depicted in John Dalton's A New System of Chemical Philosophy (1808). Credit: Public Domain

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