Dr John Snow (1813-1858) Founding father of Epidemiology. In 1854 his research linked deaths to the water pump near this site and thus determined that cholera is a water borne disease

Nick Harrison on Flickr
Nick Harrison on Flickr
ceridwen on Geograph
Simon Harriyott on Flickr
Nick Harrison on Flickr

by Royal Society of Chemistry on 16 June 2008

Colour: blue

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See also...
Simon Harriyott on Flickr
Keith Seabridge on Flickr
Keith Seabridge on Flickr
Nick Harrison on Flickr