character: James Watson
topic: Discovery of the Double Helix Structure of DNA
grade: 10
subject: Biology
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character: Francis Crick
topic: Co-discoverer of DNA Structure
grade: 10
subject: Biology
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character: Rosalind Franklin
topic: Contributions to Understanding DNA Structure
grade: 10
subject: Biology
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character: Erwin Chargaff
topic: Chargaff's Rules and DNA Base Pairing
grade: 10
subject: Biology
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