character: Francis Crick
topic: DNA Double Helix Model
grade: 9
subject: Science
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character: James Watson
topic: Co-discoverer of DNA Structure
grade: 9
subject: Science
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character: Rosalind Franklin
topic: X-ray Diffraction and DNA
grade: 9
subject: Science
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character: Maurice Wilkins
topic: DNA Research and Nobel Prize
grade: 9
subject: Science
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