John Snow is often called the founder of epidemiology, the study of health in populations. He is best known for his work on tracking the spread of cholera during an epidemic in London in 1854.

Starting in 1819, a series of cholera pandemics spread the disease from the Ganges in India to the rest of the world, killing millions of people. In 1854 ... outbreak of cholera in London. Dr John ...

Opinion: Decentralized Science (DeSci) could change how medical research works by giving people control of their health data ...

Part of our Best Pubs in London microsite ... to find evidence that cholera spreads through tainted water. John Snow started mapping incidences of the disease in Soho, and noticed clusters ...