Final answer:
Dr. John Snow, a British physician, is known for his contributions to the field of epidemiology from 1813-1858. He investigated cholera epidemics in 19th century London and identified a contaminated water pump as the source of the epidemic.
Step-by-step explanation:
The individual known for contributions to the field of epidemiology from 1813-1858 is Dr. John Snow. Dr. John Snow was a British physician and is often referred to as the father of epidemiology. He gained fame for his investigations into the cause of cholera epidemics in 19th century London. By mapping the distribution of cholera cases and identifying a contaminated water pump on Broad Street as the source of the epidemic, Snow was able to provide evidence for the transmission of cholera through contaminated water.