John Snow's Cholera map as a heatmap in Power Map

John Snow's Cholera map as a heatmap in Power Map

This was the overview map of John Snow's study on Cholera epidemic. He visited each households to test if the water has been contaminated with Cholera.

John Snow’s Famous Cholera Map. Original map by John Snow showing the clusters of cholera cases in the London epidemic of 1854

Documents that Changed the World podcasts: John Snow’s cholera map, 1854 | UW Today

Documents that Changed the World podcasts: John Snow’s cholera map, 1854

The Cholera Map of John Snow (1854)

Original map of the 1854 Broad Street cholera outbreak by John Snow.

John Snow's mapping of a Cholera outbreak

John Snow's mapping of a Cholera outbreak

John Snow's cholera map of Soho

John Snow's data journalism: the cholera map that changed the world

John Snow's map of cholera outbreaks from nineteenth century London changed how we saw a disease - and gave data journalists a model of how to work today

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The Victorianist: John Snow and the 1854 London Cholera Outbreak

John Snow and a section of his famous map depicting the pumps in London contaminated by Asiatic cholera, 1848.  These cases were linked to a single provider of water for that pump, and spurred on numerous future attempts to use mapping to define causes for various diseases.

John Snow and a section of his famous map depicting the pumps in London contaminated by Asiatic cholera, 1848. These cases were linked to a single provider of water for that pump, and spurred on numerous future attempts to use mapping to define causes for various diseases.

John Snow's cholera map of Soho

John Snow's data journalism: the cholera map that changed the world

John Snow's map of cholera outbreaks from nineteenth century London changed how we saw a disease - and gave data journalists a model of how to work today

Snow's Cholera Map

John Snow’s map of the cholera dead after London’s 1854 epidemic is often heralded as one of the earliest examples of graphical data analysis. Steven Johnson’s The Ghost Map gives…

One day, I would like this picture in my office.

In 1854 John Snow mapped the cholera outbreaks around Soho. His map made apparent how the cholera cases were linked to the local water supply. This is probably one of the first "data" maps created to systematically find a solution to a problem.

Dr. John Snow's map of the 1854 London cholera outbreak. This changed the world.

John Snow's map of the 1854 London cholera outbreak

The Ghost Map (a little public health and history mixed together)

The Ghost Map: Hard Lessons in Epidemiology from Victorian London

The Ghost Map: The Story of London's Most Terrifying Epidemic--and How It Changed Science, Cities, and the Modern World, by Steven Johnson is a very interesting book. The pump handle! This book has it all!

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