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Nature 139, 830 (15 May 1937) | doi:10.1038/139830a0;

Prof. W. L. Bragg, O.B.E., F.R.S

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PROF. W. L. BRAGG, who has been appointed director of the National Physical Laboratory, has held the Langworthy chair of physics in the University of Manchester since 1919. Beginning his research work at Cambridge in 1912, about the time when v. Laue had announced his discovery of the diffraction of X-rays by crystals, Prof. Bragg was attracted to this field of work. One of his early papers explained, in terms of the 'reflection' principle, the nature of the patterns observed in the Laue photographs.