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Fleming Alexander
Fleming, Sir Alexander 1881-1955. British bacteriologist who discovered penicillin in 1928, for which he shared a 1945 Nobel Prize.Flem·ing (flĕm′ĭng), Sir Alexander 1881-1955. Scottish bacteriologist who discovered penicillin in 1928. The drug was developed and purified 11 years later by Howard Florey and Ernst Chain. Fleming was also the first to administer typhoid vaccines to humans. |