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

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

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Learn to Be an Expert Map Reader

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

John Snow's mapping of a Cholera outbreak

John Snow's mapping of a 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!

The Cholera Map of John Snow (1854)

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

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.

Image result for nyc running map

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

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…

John Snow was one of the first epidemiologists in the 1800s. He mapped out the cases of the cholera outbreak in London to find the cause and recurrence by investigating the people infected.

John Snow was one of the first epidemiologists in the He mapped out the cases of the cholera outbreak in London to find the cause and recurrence by investigating the people infected.

The most famous map of cholera is that of John Snow (LL).  There is nothing very special about this map, except that it helped display how people caught cholera.  Another map then published detailed a similar relationship and added time and sequence to the scenario.  Still, the best map was that of John Lea (center).  Snow refuted it.  But 25 years later we would learn that Lea was right.

The most famous map of cholera is that of John Snow (LL). There is nothing very special about this map, except that it helped display how people caught cholera. Another map then published detailed a similar relationship and added time and sequence to the scenario. Still, the best map was that of John Lea (center). Snow refuted it. But 25 years later we would learn that Lea was right.

John Snow Cholera map Journal

John Snow Cholera map Journal

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

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