1. Exemples classiques…
William Playfair, Price of Wheat, 1821
John Snow, Cholera map, 1854
Florence Nightingale’s rose, 1858
E.J. Marey’s graphical train schedule, 1885
C.J. Minard’s Napoleon’s invasion of Russia, 1869

2. William Playfair, 1821
For an interesting discussion:

3. John Snow's data journalism: the cholera map that changed the world
follow the link to access an interactive map, the data, and more on data journalism from the Guardian
John Snow, 1854

4. Nightingale’s rose, published in Notes on Matters Affecting the Health, Efficiency, and Hospital Administration of the British Army and sent to Queen Victoria in 1858.
Follow the link to access an animation and more info on coxcombs.

5. Charles Joseph Minard, 1869 Napoleon’s Invasion of Russia

6. E.J. Marey’s graphical train schedule, 1885
Follow link for a short explanation and an interesting website!

7. Exemples contemporains

8. Canary in the coalmine
Andy Lee Robinson the shocking decline of Arctic sea ice, the most sensitive canary in the coalmine indicator of the effect that CO2 is having.

9. Debatables…
Financial Post April 15, 2013 Lawrence Solomon: Arctic sea ice back to 1989 levels, now exceeds previous decade His bio states that he is one of Canada's leading environmentalists.

10. http://tamino. wordpress

11. Gif animé… or

12. Semer le doute/Sowing doubt

13. Vidéos
Thomas Goetz: It's time to redesign medical data Blood work, CRP and others tests are “rewritten” inspired by the nutritional value info on cereal boxes.
David McCandless: The Beauty of Data Visualisation
Hans Rosling & Gapminder
200 Countries, 200 Years, 4 Minutes
Let my data set change your mindset