Alexander Fleming notices a bacteria killing mould what later became known as penicillin 1928
Sir Alexander Fleming (6 August 1881 – 11 March 1955) was a Scottish physician and microbiologist.
His best-known discoveries are the enzyme lysozyme in 1923 and the world’s first broadly effective antibiotic substance benzylpenicillin (Penicillin G) from the mould Penicillium rubens on the 28th September, 1928 for which he shared the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain.
Fleming was knighted for his scientific achievements in 1944. In 1999, he was named in Time magazine’s list of the 100 Most Important People of the 20th century. In 2002, he was chosen in the BBC’s television poll for determining the 100 Greatest Britons, and in 2009, he was also voted third “greatest Scot” in an opinion poll conducted by STV, behind only Robert Burns and William Wallace.
He wrote many articles on bacteriology, immunology, and chemotherapy.
Extra Note: The laboratory in which Fleming discovered and tested penicillin is preserved as the Alexander Fleming Laboratory Museum in St. Mary’s Hospital, Paddington.
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