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John Snow (15 March 1813 – 16 June 1858 [1]) was an English physician and a leader in the development of anaesthesia and medical hygiene.He is considered one of the founders of modern epidemiology and early germ theory, in part because of his work in tracing the source of a cholera outbreak in London's Soho, which he identified as a particular public water pump.
Original map by John Snow showing the clusters of cholera cases (indicated by stacked rectangles) in the London epidemic of 1854. The contaminated pump is located at the crossroads of Broad Street and Cambridge Street (now Lexington Street), running into Little Windmill Street.
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The Ghost Map: The Story of London's Most Terrifying Epidemic – and How it Changed Science, Cities and the Modern World is a book by Steven Berlin Johnson in which he describes the most intense outbreak of cholera in Victorian London and centers on John Snow and Henry Whitehead. [1] It was released on 19 October 2006 through Riverhead.
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The John Snow, formerly the Newcastle-upon-Tyne, is a public house in Broadwick Street, in the Soho district of the City of Westminster, part of the West End of London, and dates back to the 1870s. It is named for the British epidemiologist and anaesthetist John Snow, who identified the nearby water pump as the source of a cholera outbreak in 1854.
Original map by John Snow showing the clusters of cholera cases in the London epidemic of 1854. The 1854 Broad Street cholera outbreak was a severe outbreak of cholera that occurred in 1854 near Broad Street (now Broadwick Street) in the Soho district of London, England, and occurred during the third cholera pandemic.
John Snow's 1854 map. Cholera cases are in black. John Snow had already postulated nearly a decade earlier that water was to blame for cholera epidemics, and this investigation strengthened his claim. Just as his contemporary Nightingale had done, he also made connections between events and used visual empirical evidence to support his claims.