character: Louis Pasteur
topic: Contributions to Microbiology and Germ Theory
grade: 11
subject: Chemistry
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character: Robert Koch
topic: Koch's Postulates and Bacterial Diseases
grade: 11
subject: Chemistry
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character: Joseph Lister
topic: Antiseptic Techniques in Surgery
grade: 11
subject: Chemistry
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character: Alexander Fleming
topic: Discovery of Penicillin and Antibiotics
grade: 11
subject: Chemistry
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