Sir Alexander Fleming was a Scottish physician and microbiologist, best known for discovering the world's first broadly effective antibiotic substance, which he named penicillin. from Wikipedia, the free encyclopedia He must have saved my life so many times, as well the lives of many others in the whole world :: π πππππππ, πππππππ ππππππ π "Synthetic Production of Penicillin Professor Alexander Fleming, holder of the Chair of Bacteriology at London University, who first discovered the mould Penicillin Notatum. Here in his laboratory at St Mary's, Paddington, London (1943)." - from Wikipedia, the free encyclopedia Public Domain, Link