Francis Guthrie : a colourful life
The original publication is available at http://www.springerlink.com
Publication of this article was funded by the Stellenbosch University Open Access Fund.
In 1852, in London, Francis Guthrie posed the question of colouring a map with four colours only, the question that eventually became known as the Four Colour Problem. The problem is famous, but what else do we know of Guthrie's work and life? Don't try to track him in London; come to South Africa instead.