What was one of Robert kochs important achevment?

One of Robert Koch's important achievements was the identification of the bacteria that cause tuberculosis in 1882, for which he received the Nobel Prize in Physiology or Medicine in 1905. His work laid the foundation for bacteriology and established methods for isolating and identifying pathogens, greatly advancing the field of infectious disease research. Koch also developed Koch's postulates, a series of criteria that helped establish a causal relationship between a microbe and a disease.