character: Dr. Rosalind Franklin
topic: Contributions to DNA Structure
grade: 9
subject: Biology
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character: Dr. James Watson
topic: Discovery of DNA Double Helix
grade: 9
subject: Biology
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character: Dr. Francis Crick
topic: Co-discovery of DNA Structure
grade: 9
subject: Biology
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character: Dr. Salk
topic: Development of Polio Vaccine from Viruses
grade: 9
subject: Biology
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