John Snow traced the source of the outbreak of cholera. In doing this, he was able to link the infection to the water as what caused it and passed it around. Also, he was one of the first physicians to study and calculate how much anaesthesia is needed to keep patients asleep for long enough during an operation, but ensuring it wasn't too much and won't kill them.
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john snow
John Cabot's major discovery was the Isle of Newfoundland and claimed it for England.
John Snow was born on March 15, 1813.
John Snow was born on March 15, 1813.
Snow - John Crowley - was created in 1985.
John Snow - cricketer - was born in 1941.
John Snow - band - was created in 2008.
John Snow College was created in 2001.
The great physician from London, Dr. john Snow proved the same in 1854. He made a map of patients from Broad street (now Broadwick street) of Soho district, London.
John W. Snow was born on August 2, 1939.
John W. Snow was born on August 2, 1939.