Sir Alexander Fleming: Scottish researcher who discovered penicillin.

The discovery and development of penicillin changed the entire direction of approaches to treating infectious diseases and saved the lives of millions of people. Indeed, the development of penicillin was a watershed event in the battle against infectious diseases, and the individual who discovered it, Sir Alexander Fleming, remains a prominent individual in the annals of medical history. This article focuses primarily on the personal life of Alexander Fleming, an individual who had a remarkable diversity of interests and who made many contributions to science and medicine.