Watson and Crick's Double-Helix Model (1953)
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James Watson and Francis Crick built DNA's double-helix model in 1953, using Franklin and Gosling's diffraction data to work out its structure.
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Watson and Crick's model showed two antiparallel strands wound around each other, held together by paired bases facing inward.
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The model rested directly on Franklin and Gosling's measurements — it was not derived from Watson and Crick's own data alone.