About the artist
John Snow (1813 – 1858), was an English physician and a leader in the adoption of anaesthesia and medical hygiene. He is considered one of the fathers of modern epidemiology, in part because of his work in tracing the source of a cholera outbreak in Soho, London, in 1854.
On the Mode of Communication of Cholera
This is an iconic map of Soho, London, which revealed the mode of transmission of cholera in the late 19th century.