Answer:
WILLIAM FARR
Explanation:William Farr is a scientist,a medical statistician who was born in the year 1807, was the scientist who made the most widely used and internationally acceptable modern international classification of Diseases, it categorizes diseases and the cause of death. William Farr's classification was based on five different categories namely Epidemic diseases,General diseases, Local diseases classed according to its anatomical site, Diseases directly related to development, and diseases directly caused by violence.