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Sir Alexander Fleming FRS FRSE FRCS (6 August 1881 – 11 March 1955) was a Scottish physician and microbiologist, best known for discovering the world's first broadly effective antibiotic substance, which he named penicillin.
- 11 March 1955 (aged 73), London, England
- St Paul's Cathedral
- 6 August 1881, Darvel, Ayrshire, Scotland
Alexander Fleming (born August 6, 1881, Lochfield Farm, Darvel, Ayrshire, Scotland—died March 11, 1955, London, England) was a Scottish bacteriologist best known for his discovery of penicillin. Fleming had a genius for technical ingenuity and original observation.
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In 1921 he discovered a substance in nasal mucus that causes bacteria to disintegrate. Fleming and a colleague subsequently detected this substance, which he named lysozyme, in human blood serum, tears, saliva, milk, and a wide variety of other fluids.
Many school children can recite the basics. Penicillin was discovered in London in September of 1928. As the story goes, Dr. Alexander Fleming, the bacteriologist on duty at St. Mary’s Hospital ...
Apr 2, 2014 · In November 1921, while nursing a cold, Fleming discovered lysozyme, a mildly antiseptic enzyme present in body fluids, when a drop of mucus dripped from his nose onto a culture of bacteria....
Jan 7, 2019 · In 1928, Alexander Fleming (August 6, 1881 - March 11, 1955) discovered the antibiotic penicillin at Saint Mary's Hospital in London. The discovery of penicillin revolutionized our ability to treat bacterial-based diseases , allowing physicians all over the world to combat previously deadly and debilitating illnesses with a wide variety of ...
Initially, his research was not accepted, but Fleming continued undaunted and in 1922, he discovered lysozyme, an enzyme with weak antibacterial properties. History tells us that, while infected with a cold, Fleming transferred some of his nasopharyngeal mucus onto a Petri dish.
