John Snow
an English physician and a leader in the development of anaesthesia and medical hygiene

For much more information, also see

From: Wikipedia
Born
15 March 1813 York, England
From: Wikipedia
Died
16 June 1858 (aged 45) London, England
From: Wikipedia
Known for
Anaesthesia Locating source of a cholera outbreak (thus establishing the disease as water-borne)
From: Wikipedia
Fields
Anaesthesia Epidemiology
From: Wikipedia
Alma mater
University of London
From: Open Science FrameworkOSF
adultbasic
Britain
From: Open Science FrameworkOSF
era
1800+