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DataViz as Art: The Ghost Map – 1854 London Cholera Epidemic
One of my favorite data visualizations of all time is John Snow’s “Ghost Map” that helped identify the cause of the 1854 London cholera epidemic. I am currently reading Steven Johnson’s exciting book...
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DataViz History: The Ghost Map: Miasma Theory
During the mid-1800s, there were two major theories on the cause of cholera being debated widely in medical circles throughout London. The organism that caused cholera, Vibrio cholerae, was not yet...
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