Pinterest • The world’s catalog of ideas
from the Guardian

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

2

The 200th anniversary of John Snow’s birth on 15th March 2013 provides an occasion to celebrate Snow’s achievements - best known for his work on cholera, for a famous map, and for organizing the removal of a pump handle on Broad Street on 8th September 1854.

25
2

John Snow traced the cholera epidemic a contaminated water pump. He broke it and stopped the outbreak.

1

1855 - Use of a dot map to display epidemiological data, leads to discovery of the source of a cholera epidemic in London, by John Snow (1813-1858 ), England

1