Combinatorialists who weren't in the news
Alfred Bray Kempe Quick Info Born 6 July 1849 Kensington, London, England Died 21 April 1922 London, England Summary Alfred Kempe published a false "proof" of the four colour theorem in 1879 which stood until Heawood showed the mistake 11 years later. The 'proof' is however still the basis for the computer aided proof discovered 100 years later. Full story : https://mathshistory.st-andrews.ac.uk/Biographies/Kempe/