character: Louis Pasteur
topic: Contributions to Microbiology and Vaccination
grade: 9
subject: Science
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character: Gregor Mendel
topic: Foundational Work in Genetics
grade: 9
subject: Science
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character: Charles Darwin
topic: Theory of Natural Selection and Genetic Variation
grade: 9
subject: Science
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character: James Watson and Francis Crick
topic: Discovery of DNA Structure and Implications for Genetic Mutations
grade: 9
subject: Science
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