John Snow was a doctor and a director in the evolution of anaesthesia and pharmaceutical sanitation. He is the one who is known as the Father of Epidemiology. He was given this title due to his research in discovering the cause of a cholera outburst in Soho, London, in the year 1854. the researchers from the Oxford University assert that his findings spurred the selection of anaesthesia as well as significant fluctuations in the water and wilderness arrangements of London, that commenced to related developments in other towns. This resulted in a notable improvement in ordinary public health throughout the world
