character: Francis Crick
topic: DNA Double Helix Model
grade: 3
subject: Social Studies
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character: James Watson
topic: Discovery of DNA Structure
grade: 3
subject: Social Studies
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character: Rosalind Franklin
topic: X-ray Diffraction and DNA
grade: 3
subject: Social Studies
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character: Albert Einstein
topic: Influence on Modern Science
grade: 3
subject: Social Studies
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