KING'S COLLEGE LONDON ARCHIVES / SCIENCE PHOTO LIBRARY KING'S COLLEGE LONDON ARCHIVES / SCIENCE PHOTO LIBRARY
DNA research. X-ray crystallography diffraction patterns obtained in research to determine the structure of DNA (deoxyribonucleic acid). This series (XR 24) shows high-quality DNA (from Rudolf Signer) changing from crystalline to wet state. It was produced by British chemist Rosalind Franklin (1920-1958) while at the MRC Biophysics Research Unit at King's College London, UK. It was here in the early 1950s that Franklin and Maurice Wilkins obtained X-ray diffraction patterns for DNA that led to James Watson and Francis Crick's DNA double helix model. This led to the award of the 1962 Nobel Prize in Physiology or Medicine to Crick, Watson and Wilkins.
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