Category: Henry Whitehead

DataViz History: The Ghost Map: Myth-Making and Evolution of the Ghost Map

The Earliest Spot Map of All Dr. John Snow did not draw a map until December, 1854; the first spot map was produced in September of that year by Edmund Cooper, an engineer for the Metropolitan Commission of Sewers (see map below).¬†Cooper’s investigation resulted from public complaints linking the sewers to the cholera outbreak. Rumors…

Coopers Map

Read more DataViz History: The Ghost Map: Myth-Making and Evolution of the Ghost Map

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