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Search "Percy John Heawood"
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Percy John Heawood | |
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About 1 pages (340 words) in 2 products |
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Encyclopedia and Summary Information
summary from source:
 Percy John Heawood Information
94 words, approx. 1 pages
 Percy John Heawood (1861-1955) was a British mathematician. He devoted essentially his whole working life to the four colour theorem and in 1890 he exposed a flaw in Alfred Kempe's proof, that had been considered to valid for 11 years. With the four...
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 The Sunday Telegraph London summary from source:
The Independent - London
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Percy John Heawood | |
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About 1 pages (340 words) in 2 products |
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