Better Know An Epidemiologist/History of Epidemiology is an ongoing feature where Mr Epidemiology pays tribute to people and studies who have set the stage for his generation of epidemiologists. All of the articles are listed here.
Edit 11/02/11: I added in a link to a Google Map of the cholera outbreak
There have been many breakthroughs made off the blood and sweat of Epidemiologists. They have been at the forefront of eradicating polio, smallpox, reducing deaths from cholera and even detecting thalidomide as a teratogen.
But we will start at the beginning with the first Epidemiologist, John Snow.
More after the jump.