character: Francis Crick
topic: Co-discoverer of DNA Double Helix
grade: 6
subject: Science
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character: James Watson
topic: Co-discoverer of DNA Double Helix
grade: 6
subject: Science
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character: Rosalind Franklin
topic: X-ray Diffraction and DNA Structure
grade: 6
subject: Science
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character: Chargaff
topic: Base Pairing Rules in DNA
grade: 6
subject: Science
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