Portrait of Sir Alexander Fleming
Numéro d’image : 11828540
| Sir Alexander Fleming (1881-1955),Nobel laureate and discoverer of penicillin. Fleming studied medicine at St.Mary's,London,as a result of a small legacy. He made his famous discovery in 1928 whilst studying an enzyme called lysozyme. Fleming had left a culture dish of Staphylococci sp. uncovered and it became contaminated with an airborne mould. He noticed that the bacteria were killed near the mould,which he called Penicillin notatum. Later,others isolated a chemical from this that was bactericidal and non-toxic,called penicillin. It was not until WW2 that large-scale production started,but Fleming became a folk hero,winning a Nobel Prize in 1945 | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library |
| Taille de l’image : | 3444 px × 5041 px |
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