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Sir William Rowan Hamilton
(4 Aug 1805 - 2 Sep 1865)
Irish mathematician.
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Science Quotes by Sir William Rowan Hamilton (3 quotes)
I2 = j2 = k2 = ijk = - 1
These formulae were conceived on 16th Oct 1843, and carved by Hamilton, apparently in this form on a stone of Brougham Bridge, over the Royal Canal, Dublin, at the time. It has now worn away.
These formulae were conceived on 16th Oct 1843, and carved by Hamilton, apparently in this form on a stone of Brougham Bridge, over the Royal Canal, Dublin, at the time. It has now worn away.
— Sir William Rowan Hamilton
The earliest version as written in his note-book is reproduced as Frontispiece, William Hamilton, Mathematical Papers (1967), Vol. 3.
Science quotes on: | Imaginary Number (2)
If I was to establish a system, it would be, that Mountains are produced by Volcanoes, and not Volcanoes by Mountains.
— Sir William Rowan Hamilton
Observations on Mount Vesuvius, Mount Etna, and other Volcanoes (1774), 52.
Science quotes on: | Volcano (19)
May not subterraneous fire be considered as the great plough (if I may be allowed the expression) which Nature makes use of to turn up the bowels of the earth?
— Sir William Rowan Hamilton
Observations on Mount Vesuvius, Mount Etna, and other Volcanoes (1774),161.
Science quotes on: | Volcano (19)
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) -- 
