character: Robert Koch
topic: Germ Theory and its implications in modern medicine
grade: 12
subject: Chemistry
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character: Louis Pasteur
topic: Contributions to Germ Theory and vaccination
grade: 12
subject: Chemistry
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character: Ignaz Semmelweis
topic: Importance of hygiene in preventing disease transmission
grade: 12
subject: Chemistry
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character: Alexander Fleming
topic: Discovery of penicillin and its impact on antibiotics
grade: 12
subject: Chemistry
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