character: Paul Ehrlich
topic: Antitoxins and Immunology
grade: 11
subject: Biology
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character: Louis Pasteur
topic: Development of Vaccines
grade: 11
subject: Biology
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character: Emil von Behring
topic: Serotherapy
grade: 11
subject: Biology
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character: Robert Koch
topic: Germ Theory of Disease
grade: 11
subject: Biology
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