Who is considered the pioneer of epidemiology linked to cholera?

John Snow is widely recognized as the pioneer of epidemiology, particularly for his work during the cholera outbreak in London in the 1850s. His investigation into the source of cholera led him to suspect that contaminated water was responsible for the spread of the disease. Snow meticulously mapped the cases of cholera in the Soho district and correlated them with the location of public water sources.

By identifying the Broad Street pump as the epicenter of the outbreak, he demonstrated how environmental factors, such as contaminated water, could lead to the transmission of disease. This method of mapping cases and identifying trends laid the groundwork for modern epidemiological practices, emphasizing the importance of observing patterns and using data to inform public health decisions. His work not only helped control the cholera outbreak but also established foundational principles for public health and epidemiology.