character: Ignaz Semmelweis
topic: Hygiene Practices in Medicine
grade: 10
subject: Science
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character: Louis Pasteur
topic: Germ Theory of Disease
grade: 10
subject: Science
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character: Joseph Lister
topic: Antiseptic Surgery
grade: 10
subject: Science
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character: Florence Nightingale
topic: Sanitary Conditions in Nursing
grade: 10
subject: Science
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