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DataViz History: Diagram of the Causes of Mortality – Florence Nightingale
I love the history of data visualization. From Minard to Snow, I love to read the historical stories about the various graphs and maps that played a significant part in World history. Each month, I...
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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 Slave-Ship Chart That Kindled The Abolitionist Movement,...
In 1789, 7,000 copies of the print of the slave ship ‘Brookes’ were printed by the Quaker printer James Phillips. Showing sections of the ship and the inhumane way in which slaves were stowed, this...
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DataViz History: Henry Mayhew’s 1850 London Labour and the London Poor
Personal Note: As many of you know, I was a History major as an undergraduate in college. I started in Computer Science (thus the minor degree), but began to love history because of the influence of...
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DataViz History: The Ghost Map: The Story of London’s Most Terrifying...
Steven B. Johnson I have now finished reading Steven B. Johnson’s riveting book, The Ghost Map: The Story of London’s Most Terrifying Epidemic–and How It Changed Science, Cities, and the Modern World....
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DataViz History: The Ghost Map: The Night-Soil Men
It is 1854 Victorian London and it stinks. Scavengers lived in a world of excrement and death. Unorganized, independent scavengers referred to as bone-pickers, rag-gathers, pure-finders, dredgermen,...
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DataViz History: The Ghost Map: Reverend Henry Whitehead
Although he had no formal medical education, the epidemiology of cholera intrigued Reverend Whitehead. So who was this religious leader and how did he get interested in cholera? [SOURCE] REVEREND...
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DataViz History: The Ghost Map: The Broad Street Pump
The Broad Street Pump had a long reputation of being a reliable source of clean well water. It extended 25 feet below the surface of the street, passing the layers of accumulated rubbish and debris...
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DataViz History: The Ghost Map: Vibrio cholerae
Description and Significance Vibrio cholerae is a “comma” shaped Gram-negative bacteria with a single, polar flagellum for movement. There are numerous strains of V. cholerae, some of which are...
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DataViz History: The Ghost Map: Dr. John Snow
John Snow (1813–1858) is revered as a founding father of two medical disciplines. Anesthesiologists remember him as the physician who first made anesthesia scientific by showing how the human body...
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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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DataViz History: The Ghost Map: Index Case at 40 Broad Street
Did the index (or first) case of the Broad Street Pump outbreak live at 40 Broad Street, close to the pump? Reverend Henry Whitehead thought so after a detailed investigation of cholera cases in 1854...
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DataViz History: The Ghost Map: Building a Case and The Pump Handle
Dr. John Snow is credited with taking bold action when he sensed that contaminated water from the public pump on Broad Street was the cause of deadly cholera during the 1854 outbreak in London. Here is...
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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...
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DataViz History: Henry Beck and the London Underground Tube Map (1931)
Henry Charles Beck (June 4, 1902 – September 18, 1974), known as Harry Beck, was an English engineering draftsman best known for creating the present London Underground Tube map in 1931. Beck drew up...
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DataViz History: Edward Tufte, Charles Minard, Napoleon and The Russian...
[Note: I am about to start a multi-part series on Minard's map related to Napoleon's Russian Campaign of 1812. I am going to introduce the players related to this map first, then discuss the map in...
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DataViz History: Charles Minard’s Flow Map of Napoleon’s Russian Campaign of...
DataViz History: Edward Tufte, Charles Minard, Napoleon and The Russian Campaign of 1812 – Part 5 Charles Minard’s Flow Map of Napoleon’s Russian Campaign of 1812 [Click on map to see full size...
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DataViz History: Charles Minard’s Flow Map of Napoleon’s Russian Campaign of...
The March Continues Since Minard’s map is in French, I have provided an English language version for us to use as we discuss the flow of Napoleon’s march in detail. [2] The March Continues – Volkovysk...
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DataViz History: Charles Minard’s Flow Map of Napoleon’s Russian Campaign of...
Continuing The March Since Minard’s map is in French, I have provided an English language version for us to use as we discuss the flow of Napoleon’s march in detail. [2] From Saltanovka towards...
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DataViz History: Charles Minard’s Flow Map of Napoleon’s Russian Campaign of...
Continuing The March Since Minard’s map is in French, I have provided an English language version for us to use as we discuss the flow of Napoleon’s march in detail. [2] Polotsk, Smolensk and on to...
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