File:FirstSketchOfDNADoubleHelix.jpg

Francis Crick's first sketch of the deoxyribonucleic acid double-helix

It is believed that this image meets the criteria of fair use in the articles on Francis Crick and in the article on DNA, as a historical record of Cricks research and the first structure of DNA.

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 * Image is copyrighted to the Wellcome Library, London.

FirstSketchOfDNADoubleHelix.jpg