Sir Alexander Fleming, Scottish
by Wellcome Images
Title
Sir Alexander Fleming, Scottish
Artist
Wellcome Images
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Photograph - Photograph
Description
Sir Alexander Fleming, Scottish bacteriologist (1881-1955). Fleming is best known for his discovery of the enzyme lysozyme in 1923 and the antibiotic substance penicillin from the mold Penicillium notatum in 1928, for which he shared the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain. Fleming's accidental discovery and isolation of penicillin marked the start of modern antibiotics. He also discovered that bacteria developed antibiotic resistance whenever too little penicillin was used or when it was used for too short a period. Almroth Wright had predicted antibiotic resistance even before it was noticed during experiments. Fleming cautioned about the use of penicillin in his many speeches around the world.
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April 18th, 2016
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