Sir Alexander Fleming was a Scottish physician and microbiologist. He shared the 1945 Nobel Prize in Physiology or Medicine with Howard Florey and Ernst Chain "for the discovery of penicillin and its
Fleming in his laboratory, 1943
An advertisement advertising penicillin's "miracle cure"
A commemorative plaque marking Fleming's discovery of penicillin at St Mary's Hospital, London
Fleming in his laboratory in 1943
The discovery of penicillin was one of the most important scientific discoveries in the history of medicine. Ancient societies used moulds to treat infections and in the following centuries many peopl
Sample of penicillin mould presented by Alexander Fleming to Douglas Macleod in 1935
St Mary's Hospital showing Fleming's lab and Praed Street