character: Joseph Lister
topic: Antiseptics and their importance in surgery
grade: 6
subject: Social Studies
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character: Louis Pasteur
topic: Germ Theory and its development
grade: 6
subject: Social Studies
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character: Robert Koch
topic: Role in establishing Germ Theory
grade: 6
subject: Social Studies
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character: Ignaz Semmelweis
topic: Importance of antisepsis in preventing infection
grade: 6
subject: Social Studies
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