Sir William Rowan Hamilton
(4 Aug 1805 - 2 Sep 1865)

Irish mathematician.


Science Quotes by Sir William Rowan Hamilton (3)

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.
— Sir William Rowan Hamilton
The earliest version as written in his note-book is reproduced as Frontispiece, William Hamilton, Mathematical Papers (1967), Vol. 3.
See also:  |  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.
See also:  |  Volcano (14)

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.
See also:  |  Volcano (14)


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