Charles Barkla

Charles Barkla
Born	Charles Glover Barkla 27 June 1877(1877-06-27) Widnes, Cheshire, England
Died	23 October 1944 (aged 67) Edinburgh, Scotland
Nationality	United Kingdom
Fields	Physics
Institutions	Cambridge University Liverpool University King's College London University of Edinburgh
Alma mater	University College Liverpool Cambridge University
Doctoral advisor	J. J. Thomson Oliver Lodge
Known for	X-ray scattering
Notable awards	Nobel Prize in Physics (1917)

Charles Glover Barkla (27 June 1877 – 23 October 1944) was an English physicist.

Biography

Barkla was born in Widnes and studied at the Liverpool Institute and Liverpool University. In 1913, after having worked at the universities of Cambridge, Liverpool and King's College London he was appointed professor of natural philosophy at the University of Edinburgh, a position he held until his death. He married Mary Esther Cowell in 1907.

He evolved the laws of X-ray scattering and the laws governing the transmission of X-rays through matter and excitation of secondary rays. For his discovery of the characteristic X-rays of elements, he received the 1917 Nobel Prize in Physics. He was awarded the Royal Society's Hughes Medal that same year.

The lunar crater Barkla was named in his honour and a commemorative plaque is in the vicinity of the Canongate, near the Faculty of Education Buildings, University of Edinburgh.

References

• Shampo, M A; Kyle, R A (1993), "Charles Barkla--Nobel Laureate.", Mayo Clin. Proc. 68 (12): 1176, 1993 Dec, PMID:8246619, http://www.ncbi.nlm.nih.gov/pubmed/8246619 

External links

• Charles Glover Barkla
• his discovery of the characteristic Röntgen radiation of the elements

v • d • e Nobel Laureates in Physics Wilhelm Röntgen (1901) · Hendrik Lorentz / Pieter Zeeman (1902) · Henri Becquerel / Pierre Curie / Marie Curie (1903) · Lord Rayleigh (1904) · Philipp Lenard (1905) · J. J. Thomson (1906) · Albert Michelson (1907) · Gabriel Lippmann (1908) · Guglielmo Marconi / Ferdinand Braun (1909) · Johannes van der Waals (1910) · Wilhelm Wien (1911) · Gustaf Dalén (1912) · Kamerlingh Onnes (1913) · Max von Laue (1914) · W. L. Bragg / W. H. Bragg (1915) · Charles Barkla (1917) · Max Planck (1918) · Johannes Stark (1919) · Charles Guillaume (1920) · Albert Einstein (1921) · Niels Bohr (1922) · Robert Millikan (1923) · Manne Siegbahn (1924) · James Franck / Gustav Hertz (1925) Complete roster | (1901–1925) | (1926–1950) | (1951–1975) | (1976–2000) | (2001–present)

Persondata
NAME	Barkla, Charles Glover
ALTERNATIVE NAMES
SHORT DESCRIPTION	English physicist
DATE OF BIRTH	June 27, 1877
PLACE OF BIRTH	Widnes, Cheshire, England
DATE OF DEATH	October 23, 1944
PLACE OF DEATH	Edinburgh, Scotland

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