Who was An English surgeon that recognized the relationship between the death rate and the degree of cleanliness in surgery in the 1800s?

The English surgeon who recognized the relationship between death rates and cleanliness in surgery during the 1800s was Joseph Lister. He is best known for his pioneering work in antiseptic surgery, advocating for the use of sterilization techniques to reduce infection and improve patient outcomes. Lister's methods significantly decreased post-surgical infections and laid the foundation for modern surgical practices. His contributions revolutionized the field of surgery and improved the safety of medical procedures.