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Bragg, William Lawrence, Sir

Born: 1890 AD
Died: 1971 AD
Nationality: British
Categories: Physicists

1890 – Born on March 31st in Adelaide, South Australia, Australia. Australian-born British physicist and X-ray crystallographer.

         – Educated at St. Peter’s College, Adelaide, and then at Adelaide University, Bragg gained high honours in mathematics at an age when most boys were still in secondary school.

1909 – He went to England to enter Trinity College, Cambridge.

1912 – He was the discoverer of the Bragg law of X-ray diffraction, which is basic for the determination of crystal structure.

1914 – Bragg became a fellow and lecturer in natural sciences at Trinity College.

         – He and his father were jointly awarded the Barnard Gold Medal of the U.S. Academy of Sciences, the first of many such honours and awards.

1915 – He was joint winner (with his father, Sir William Bragg) of the Nobel Prize for Physics.

         – Bragg served as technical adviser on sound ranging (determining the distance of enemy artillery from the sound of their guns) in the map section of British army headquarters in France.

         – He was in France when the Nobel Prize for Physics was awarded jointly to his father and himself for demonstrating the use of X rays for revealing the structure of crystals.

1921 – He married Alice Hopkinson, a doctor’s daughter, by whom he had two sons and two daughters.

         – He was elected a Fellow of the Royal Society.

1937 – Bragg was director of the National Physical Laboratory, but he was impatient with committee work.

1941 – He was knighted as Sir Lawrence Bragg.

1954 – Bragg became director of the Royal Institution, London.

1965 – Bragg retired from active scientific work.

1971 – Died on July 1st in Ipswich, Suffolk, England.