character: Dr. Edward Jenner
topic: The invention of the smallpox vaccine
grade: 10
subject: Science
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character: Louis Pasteur
topic: Development of the germ theory of disease
grade: 10
subject: Science
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character: Jonas Salk
topic: Development of the polio vaccine
grade: 10
subject: Science
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character: Robert Koch
topic: Discoveries in bacteriology and the identification of pathogens
grade: 10
subject: Science
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