|Other name(s):||Brougham Bridge|
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|16 October 1843||
Sir William Rowan Hamilton first writes down the fundamental formula for quaternions while on the bridge.
A commemorative plaque on the bridge reads:
"Here as he walked by
on 16 October 1843
Sir William Rowan Hamilton
in a flash of genius discovered
the fundamental formula for
i² = j² = k² = ijk = -1
& cut it on a stone of this bridge."
Currently there is no information available about persons or companies having participated in this project.
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