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Alexander Fleming
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Alexander Fleming Alexander Fleming Penicillium notatum and penicillin Alexander Fleming
How penicillin was discovered and developed
Alexander Fleming Alexander Fleming and penicillin
See how Alexander Fleming discovered penicillin
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Alexander Fleming: Media

Scottish bacteriologist
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How penicillin was discovered and developed
Archival footage of Alexander Fleming and the discovery of penicillin.
Video: Encyclopædia Britannica, Inc.
See how Alexander Fleming discovered penicillin
Learn about Alexander Fleming's discovery of penicillin.
Video: © Open University (A Britannica Publishing Partner)

Images

Alexander Fleming
Alexander Fleming.
© Baron—Hulton Archive/Getty Images
Alexander Fleming
Alexander Fleming.
Baron/Hulton Archive/Getty Images
Penicillium notatum and penicillin
Penicillium notatum, the source of penicillin.
Carlo Bevilacqua—SCALA/Art Resource, New York
Alexander Fleming
Alexander Fleming, 1944.
U.S National Library of Medicine
Alexander Fleming
Alexander Fleming, 1952.
AP Images
Alexander Fleming and penicillin
Alexander Fleming's culture plate showing the dissolution of staphylococcal colonies...
National Library of Medicine, Bethesda, Maryland
VIEW MORE in these related Britannica articles: