William Rowan Hamilton
 

 

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Sir William Rowan Hamilton 1805-1865

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Born in Dublin. He was appointed Professor of Astronomy in Trinity College Dublin at the age of 22 and Astronomer Royal of Ireland.  His greatest achievement is inscribed on a memorial at Broombridge, Cabra – “Here as he walked on the 16th October 1843 Sir William Rowan Hamilton in a flash of genius discovered the fundamental formula for quaternion multiplication and cut it on a stone”. Much modern algebra has been developed from quaternions. His works include Theory of Systems of Rays and The Elements of Quaternions. Hamilton is buried in Dublin.

Further information, location and directions to the grave are to be found in "The End - An Illustrated Guide to the Graves of Irish Writers".  Click here to order a copy of this book