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Start Over You searched for: Formats Still image Remove constraint Formats: Still image Dates by Range 1950-1999 Remove constraint Dates by Range: 1950-1999 Publication Year 1953 Remove constraint Publication Year: <span class="single" data-blrl-single="1953">1953</span>

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1. Drawing of the double helix

2. Detail from notes on the structure of DNA

6. Clarence Dennis portrait