Some of the map designs that made our shortlist: Dr John Snow's cholera map (background ... Section of paper art illustration showing layers of paper in the shape of a world map, including ...

predates by over two decades the anesthetist John Snow’s famous 1854 map of a cholera outbreak in London, which proved that cholera spreads in contaminated water and helped launch the field of ...

John Snow is not the first ... who single-handedly “proved” cholera was waterborne. He did not. Here is the myth broken down into its components. Myth 1: Snow developed the idea of inscribing ...