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Birth
Sep 6, 1766 - John Dalton, was born on September 6, 1766, in Eaglesfield, Cumberland County, England . -
Acceptation in Manchester's Literay and Philosophical Society (date not accurate)
n 1794, shortly after his arrival in Manchester, Dalton was elected a member of the Manchester Literary and Philosophical Society, the "Lit & Phil", and a few weeks later he communicated his first paper on "Extraordinary facts relating to the vision of colours", in which he postulated that shortage in colour perception was caused by discolouration of the liquid medium of the eyeball -
John Dalton becomes Secretary of MLPS (date not accurate)
In 1800, Dalton became a secretary of the Manchester Literary and Philosophical Society, -
Experimental Esaays
He orally presented an important series of papers, entitled "Experimental Essays" on the constitution of mixed gases; on the pressure of steam and other vapours at different temperatures, both in a vacuum and in air; on evaporation; and on the thermal expansion of gases. -
Publishing of Essays (date not accurate)
These four essays were published in the Memoirs of the Lit & Phil in 1802. -
John Ericsson' Birth
In Varmland, a mountainous region of Sweden, at the mining settlement of Langbanshyttan near Filipstad, John Ericsson was born on July 31, 1803. The time of his birth started a highly technological age. It was the year John Dalton, born and raised in the hilly Lake District of England, proposed his atomic theory of matter, which would later explain that as temperature rises, gasses expand, and the cause of aurora borealis, the Northern Lights, visible in Sweden -
Atomic Weight
Dalton proceeded to print his first published table of relative atomic weights. Dalton provided no indication in this first paper how he had arrived at these numbers. However, in his laboratory notebook under the date 6 September 1803[4] there appears a list in which he sets out the relative weights of the atoms of a number of elements, derived from analysis of water, ammonia, carbon dioxide, etc. by chemists of the time. -
Anoucement of Atomic Thery
One hundred years ago, on October 21, 1803, John Dalton gave this Society the first announcement of his famous atomic theory -
New System (date not accurate)
Dalton gave a further account in the first part of the first volume of his New System of Chemical Philosophy (1808). -
2nd Part of the new System (date not accurate)
The second part of this volume appeared in 1810, -
Offer to candidate for Royal Society (date not accurate)
n 1810, Sir Humphry Davy asked him to offer himself as a candidate for the fellowship of the Royal Society, but Dalton declined, possibly for financial reasons. -
1814 Memory
In one of the memories , read in 1814, he explains the principles of volumetric analysis, in which he was one of the earliest workers -
Period: to
President of the Lit and Phil (start date not acurate)
He was president of the Lit & Phil from 1817 until his death, contributing 116 memoirs. Of these the earlier are the most important. In one of them, read in 1814, he explains the principles of volumetric analysis, in which he was one of the earliest workers -
Candidate unaknowleged(date not accurate)
However, in 1822 John was proposed to candidate for Royal Society without his knowledge, and on election paid the usual fee. -
French Academie Des Siences
In 1824 he had been made a corresponding member of the French Académie des Sciences -
1st Part of 2nd Volume (date not accurate)
The first part of the second volume was not issued till 1827. This delay is not explained by any excess of care in preparation, for much of the matter was out of date and the appendix giving the author's latest views is the only portion of special interest. The second part of vol. ii. never appeared. -
Foreign Associate (Date note accurate)
In1830 john was elected as one of its eight foreign associates in place of Davy. -
Pension given by Earl Grey's gov't (date not accurate)
In 1833, Earl Grey's government conferred on him a pension of £150, -
Pension raised
Earl Grey's gov't's pension raised in 1836 to £300. -
1st Stroke
Dalton suffered a minor stroke in 1837. -
2nd Stroke
Dalton suffered a second stroke in 1838 left him with a speech impediment, though he remained able to do experiments -
1840 memory
In 1840 a paper on the phosphates and arsenates, often regarded as a weaker work, was refused by the Royal Society, and he was so incensed that he published it himself. He took the same course soon afterwards with four other papers, two of which (On the quantity of acids, bases and salts in different varieties of salts and On a new and easy method of analysing sugar) contain his discovery, regarded by him as second in importance only to the atomic theory, that certain anhydrates, when dissolved -
3rd Stroke
In May 1844 he had yet another stroke; on 26 July he recorded with trembling hand his last meteorological observation. -
Death of John Dalton
On 27 July, in Manchester, Dalton fell from his bed and was found lifeless by his attendant. John Dalton, whose Atomic Theory remains a cornerstone of the physical sciences, had Forty thousand Mancunians who turned out to pay their respects at his funeral procession.n He was buried in Manchester in Ardwick cemetery. The cemetery is now a playing field, but pictures of the original grave are in published materials.
