![]() His third great achievement? He kept copious weather records in Manchester for decade after decade, explaining to astonished locals that it rained a lot. He was the first to apply the quantum concept, which restricts the energy of a system to certain discrete values, to the problem of atomic and molecular. He also researched colour blindness, which he had as a result, colour blindness is known as Daltonism in several languages. 1 He introduced the atomic theory into chemistry. The word for the affliction in various European languages includes his name – Daltonisme in French, Daltonismo in Italian – but not in English, alas. Niels Bohr (born October 7, 1885, Copenhagen, Denmarkdied November 18, 1962, Copenhagen) Danish physicist who is generally regarded as one of the foremost physicists of the 20th century. John Dalton FRS ( / dltn / 5 or 6 September 1766 27 July 1844) was an English chemist, physicist and meteorologist. He performed ground-breaking work into colour blindness, from which he suffered. This startling development revolutionised scientific thinking and led to Manchester becoming one of the world’s leading cities of science, a position which it still holds thanks to recent inventions at the university.īut Dalton was busy with other phenomena. He revealed his findings on atomic theory in 1803 through work on olefiant gas and carburetted hydrogen, published a list of atomic weights, and explained how compounds are formed by the chemical reaction of atoms of different elements. ![]() ![]() Most scientists do well to dominate thinking in one discipline John Dalton came up with three.Īrriving in Manchester in 1793 to teach maths, he engaged in pioneering work into the very nature of matter at the Literary & Philosophy Society’s headquarters on George Street (destroyed in the second world war) and there calculated that the basic form of all substances was the atom. ![]() Learn more about Democritus’s life and theories. His works reportedly numbered 73, though only a few hundred fragments have survived, mostly from his treatises on ethics. Next tour: Sat 20 October 2018 (Science Festival tours). Democritus, ancient Greek philosopher, a central figure in the development of philosophical atomism and of the atomic theory of the universe. ![]()
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