* 8 September 1861, † 24 January 1955
Percy John Heawood was born on 8 September 1861 in Newport, Shropshire, England. Heawood made important contributions to the four colour theorem. Percy John Heawood died on 24 January 1955 in Durham, England.
| 
| 
| 
| created: 2016-08-26 21:54:32 | modified: 2016-08-26 21:54:32 | by: bookofproofs | references: [6909]
[6909] O’Connor, John J; Robertson, Edmund F: “MacTutor History of Mathematics Archive”, http://www-history.mcs.st-and.ac.uk/, 2014
