character: Rosalind Franklin
topic: Contribution to DNA Structure Research
grade: 6
subject: History
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character: James Watson
topic: Discovery of DNA Structure
grade: 6
subject: History
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character: Francis Crick
topic: DNA Double Helix Model
grade: 6
subject: History
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character: Maurice Wilkins
topic: X-ray Diffraction of DNA
grade: 6
subject: History
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