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was an Australian-born British physicist and Nobel Prize winner. Bragg shared the 1915 Nobel Prize in physics with his father, British physicist Sir William Henry Bragg, for their work in establishing X-ray crystallography, the study of crystal structures with X ....

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.... Professor of Experimental Physics. He stayed at Cambridge until 1953, when he moved to the Royal Institution, London, as director of the Davy-Faraday Research Laboratory, a position once held by his father. He stayed at the Royal Institution until his retirement in 1966. The work that brought the Braggs fame was based on the phenomenon of X-ray diffraction in crystals, discovered in 1912 by Max Theodor Felix von Laue. Although the wave nature of X rays and the order of magnitude of their wavelength had been established, there were no methods developed to interpret the photographic interference pictures that two of von Laue's colleagues had produ ....