PHOTO 51

'Photo 51' is the name given to an X-ray diffraction image of DNA taken by Rosalind Franklin in 1952'Secret of Photo 51'. Nova that was critical evidenceNova in identifying the structure of DNA.Watson JD, Crick FHC (1953). "A Structure for Deoxyribose Nucleic Acid". ''Nature'' '171': 737–738. Full text PDF The photo was taken by Franklin while working at King's College London in Sir John Randall's group.
The photo, shown to James D. Watson by Maurice Wilkins without Franklin's knowledge,^[1] was the critical evidence that led to the confirmation of the postulated double helical structure of DNA, published during 1953 in a series of five articles in the journal ''Nature''.'Double Helix: 50 Years of DNA.' Nature archives. Nature Publishing Group Franklin and Raymond Gosling's own publication in the same issue of ''Nature'' was the first publications of this more clarified X-ray image of DNA.Franklin R, Gosling RG (1953) "Molecular Configuration in Sodium Thymonucleate". ' ''Nature'' '171': 740–741. Full text PDF

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References

1. Secret of Photo 51