Percy John Heawood (8 September 1861[1] – 24 January 1955[2]) was a British mathematician, who concentrated on graph colouring.

Quick facts: Percy Heawood, Born, Died, Nationality, Known...
Percy Heawood
Born(1861-09-08)8 September 1861
Newport, England
Died24 January 1955(1955-01-24) (aged 93)
Durham, England
NationalityEngland
Known forFour-color problem
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