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| doctoral_students = | fields = Physics | known_for = X-ray diffraction Bragg's law | prizes = | footnotes = He was the son of W.H. Bragg. Note that the PhD did not exist at Cambridge until 1919, and so J. J. Thomson and W.H. Bragg were his equivalent mentors. }} Sir William Lawrence Bragg (31 March 1890 – 1 July 1971) was an Australian-born British physicist and X-ray crystallographer, discoverer (1912) of Bragg's law of X-ray diffraction, which is basic for the determination of crystal structure. He was joint winner (with his father, William Henry Bragg) of the Nobel Prize in Physics in 1915: ''"For their services in the analysis of crystal structure by means of X-ray"''〔(【引用サイトリンク】publisher=Nobel Foundation )〕 an important step in the development of X-ray crystallography. Bragg was knighted in 1941.〔(【引用サイトリンク】publisher=Nobel Foundation )〕 As of 2014, Lawrence Bragg is the youngest ever Nobel Laureate in physics, having received the award at the age of 25 years.〔(【引用サイトリンク】publisher=Nobel Foundation )〕 (The youngest of all Nobel Laureates is Malala Yousafzai in 2014 at the age of 17.) Bragg was the director of the Cavendish Laboratory, Cambridge, when the discovery of the structure of DNA was reported by James D. Watson and Francis Crick in February 1953. ==Biography== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「William Lawrence Bragg」の詳細全文を読む スポンサード リンク
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