character: Rosalind Franklin
topic: X-ray Crystallography in DNA Research
grade: 3
subject: Writing
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character: James Watson
topic: DNA Structure Discovery
grade: 3
subject: Writing
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character: Francis Crick
topic: Double Helix Model of DNA
grade: 3
subject: Writing
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character: Maurice Wilkins
topic: Collaboration in DNA Research
grade: 3
subject: Writing
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