character: Robert Koch
topic: Koch's Postulates and Germ Theory
grade: 11
subject: Chemistry
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character: Louis Pasteur
topic: Contributions to Germ Theory
grade: 11
subject: Chemistry
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character: Joseph Lister
topic: Antiseptic Technique and Infection Control
grade: 11
subject: Chemistry
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character: Ignaz Semmelweis
topic: Hand Hygiene and Infection Prevention
grade: 11
subject: Chemistry
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