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Francis Guthrie

Francis Guthrie, English-born South-African mathematician and botanist (Bayswater, Paddington, England 22 January 1831 – Claremont, Cape Town 19 October 1899)
 
 
Postulated the four color problem in topology (1852)
 
 
Described 104 new species of plants being the most part of them from Ericaceae family
 
 

HONORS 

Guthriea Bolus 1873 (Achariaceae)