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John Dalton FRS (/ ˈ d ɔː l t ən /; 5 or 6 September 1766 – 27 July 1844) was an English chemist, physicist and meteorologist. [1] He introduced the atomic theory into chemistry. He also researched colour blindness ; as a result, the umbrella term for red-green congenital colour blindness disorders is Daltonism in several languages.
An image from John Dalton's A New System of Chemical Philosophy, the first modern explanation of atomic theory.. This timeline of chemistry lists important works, discoveries, ideas, inventions, and experiments that significantly changed humanity's understanding of the modern science known as chemistry, defined as the scientific study of the composition of matter and of its interactions.
John Dalton is an American author. His first novel, Heaven Lake won the 2005 Sue Kaufman Prize from the American Academy of Arts and Letters [1] and the 2004 Barnes & Noble Discover Award in Fiction. [2] Dalton grew up near St. Louis, Missouri, as the youngest of seven children. [3]
The timeline begins at the Bronze Age, as it is difficult to give even estimates for the timing of events prior to this, such as of the discovery of counting, natural numbers and arithmetic. To avoid overlap with timeline of historic inventions , the timeline does not list examples of documentation for manufactured substances and devices unless ...
1808 – John Dalton defends caloric theory in A New System of Chemistry and describes how it combines with matter, especially gases; he proposes that the heat capacity of gases varies inversely with atomic weight; 1810 – Sir John Leslie freezes water to ice artificially
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John Call Dalton [1] (February 2, 1825 – February 12, 1889) was an American physiologist and vivisection activist who became the first full-time professor of physiology in the United States. Early life
The first half of the 20th century saw the gradual development of the mechanical calculator mechanism. The Dalton adding-listing machine introduced in 1902 was the first of its type to use only ten keys, and became the first of many different models of "10-key add-listers" manufactured by many companies.