Bragg, Sir William Lawrence

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Bragg, Sir William Lawrence,

1890–1971, English physicist, b. Adelaide, Australia, educated in Australia and at Trinity College, Cambridge; son of W. H. Bragg. He was professor of physics at Victoria Univ., Manchester, from 1919 to 1937. From 1938 to 1953 he was professor of experimental physics at Cambridge and director of the Cavendish Laboratory. In 1954 he was made head of the Royal Institution. He shared with his father the 1915 Nobel Prize in Physics for their studies, with the X-ray spectrometer, of X-ray spectra, X-ray diffraction, and of crystal structure. In 1941 he was knighted. Among his works are The Structure of Silicates (1930, 2d enl. ed. 1932) and Atomic Structure of Minerals (1937). With his father he wrote X Rays and Crystal Structure (1915, 5th ed. 1925).

Bragg, Sir William Lawrence

 

Born Mar. 31, 1890, in Adelaide. English physicist; member of the London Royal Society (1921). Son of Sir W. H. Bragg.

Bragg studied at the universities of Adelaide (Australia) and Cambridge. From 1919 to 1937 he was a professor at the University of Manchester. In 1937-38 he was director of the National Physical Laboratory and from 1938 to 1953 he was director of the Cavendish Laboratory. From 1954 to 1966 he was director of the Royal Institution in Cambridge. In 1913, simultaneously with G. V. Vul’f, he gave the equation connecting the angle of deflection of X rays scattered by a crystal with no change in wavelength with the distance between neighboring atomic planes in the crystal (the Bragg-Vul’f condition). He developed methods for deciphering complex crystal structures according to the intensity of an X ray scattered by a crystal, and he put into practice the technique shown by Sir W. H. Bragg for determining structures by means of Fourier series. He also determined the structures of many silicates. He received the Nobel Prize in 1915.

WORKS

In Russian translation:
Struktura silikatov. Moscow-Leningrad, 1934.
Rentgenovskie luchi i stroenie kristallov. Moscow-Leningrad, 1929. (With Sir W. H. Bragg.)
Difraktsiia elektronov. Leningrad, 1936. (With Sir W. H. Bragg.)
References in periodicals archive ?
William Henry Bragg and his son William Lawrence Bragg are the only father and son team to have won a Nobel Prize.
The Bragg About Science day - named after legendary physicists William Henry Bragg and William Lawrence Bragg - aimed to encourage students studying A-level biology, chemistry and physics to read sciences at university.
Sir William Lawrence Bragg said, "The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them" (Koestler & Smythies, 1969, p.