character: Rosalind Franklin
topic: X-ray Diffraction and DNA Structure
grade: 3
subject: Writing
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character: James Watson
topic: Discovery of DNA's Double Helix
grade: 3
subject: Writing
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character: Francis Crick
topic: Building on Franklin's Work
grade: 3
subject: Writing
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character: Maurice Wilkins
topic: Collaborations in DNA Research
grade: 3
subject: Writing
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