Sir Alfred Kempe | |
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| Born | 7 July 1849 Kensington, London, England |
| Died | 21 April 1922 (aged 72) London, England |
| Known for | Kempe chain Kempe's universality theorem Sylvester-Kempe inversor |
| Awards | Fellow of the Royal Society (1881) |
Sir Alfred Bray Kempe FRS (6 July 1849 – 21 April 1922) was a mathematician best known for his work on linkages and the four colour theorem.