Biologist Sir Alexander Fleming

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01/16/2012

Biologist Sir Alexander Fleming

Biologist Sir Alexander Fleming is best-known for his discoveries of the enzyme lysozyme in 1923 and the antibiotic substance penicillin from the mould Penicillium notatum in 1928, for which he shared the Nobel Prize in Physiology or Medicine in 1945 with Howard Florey and Ernst Boris Chain.

Date & Place: Not specified or unknown.

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