William Rowan Hamilton

Definition and stakes

Portrait of Leslie Stephen Leslie Stephen,  Dictionary of National Biography… (1897)

“ ROWAN, ARCHIBALD HAMILTON (1751–1834) , United Irishman, only son and heir of Gawin Hamilton of Killyleagh Castle, co. Down, a lineal descendant of Hans Hamilton, vicar of Dunlop in Ayrshire, father of James Hamilton, viscount Claneboye (1559–1643) [q. v.] , was born in Rathbone Place, London, in the house of his maternal grandfather, William Rowan, on 12 May 1751. ”
Source: Wikisource

Portrait of Augustus De Morgan Augustus De Morgan,  A Budget of Paradoxes, Volume I

“ Sir William Rowan Hamilton (1805-1865) , the discoverer of quaternions (1852) , was an infant prodigy, competing with Zerah Colburn as a child. He was a linguist of remarkable powers, being able, at thirteen years of age, to boast that he knew as many languages as he had lived years. When only sixteen he found an error in Laplace's Mécanique céleste. When only twenty-two he was appointed Andrews professor of astronomy, and he soon after became Astronomer Royal of Ireland. He was knighted in 1835. His earlier work was on optics, his Theory of Systems of Rays appearing in 1823. ”
Source: Gutenberg

Various,  Encyclopaedia Britannica, 11th Edition…

“ HAMILTON, SIR WILLIAM ROWAN (1805-1865) , Scottish mathematician, was born in Dublin on the 4th of August 1805. His father, Archibald Hamilton, who was a solicitor, and his uncle, James Hamilton (curate of Trim) , migrated from Scotland in youth. A branch of the Scottish family to which they belonged had settled in the north of Ireland in the time of James I., and this fact seems to have given rise to the common impression that Hamilton was an Irishman. ”
Source: Gutenberg

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