character: Paul Ehrlich
topic: Immunology and Antibody Development
grade: 12
subject: Biology
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character: Louis Pasteur
topic: Vaccine Development and Immunology
grade: 12
subject: Biology
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character: Emil von Behring
topic: Serum Therapy and Antibodies
grade: 12
subject: Biology
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character: Robert Koch
topic: Bacterial Immunology
grade: 12
subject: Biology
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