| Charles Glover Barkla  Born: 7-Jun-1877
Birthplace: Widnes, Lancashire, England
Died: 23-Oct-1944
Location of death: Edinburgh, Scotland
Cause of death: unspecified
Gender: Male
Religion: Methodist
Race or Ethnicity: White
Sexual orientation: Straight
Occupation: Physicist Nationality: England
Executive summary: X-ray scattering British physicist Charles Glover Barkla studied under J. J. Thomson, and won the Nobel Prize for Physics in 1917. In 1903 he proved that molecular weight determines how a gas scatters radiation, in 1904 he proved that x-rays are a form of electromagnetic radiation, and in 1906 he used x-ray scattering to ascertain the number of electrons in a carbon atom. His work showed that there are two types of secondary radiations emitted by substances after exposure to x-rays ("scattered" and "characteristic" radiations), helped define the laws governing x-ray scattering and the excitation of secondary rays, and made possible the subsequent study of atomic structures. He also studied x-ray fluorescence, other short-wave emissions, and the velocity of electric waves. Devoutly religious, he considered his scientific endeavors "part of the quest for God, the Creator". Father: John Martin Barkla (chemicals executive)
Mother: Sarah Glover Barkla
Wife: Mary Esther Cowell Barkla (m. 1907, two sons, one daughter)
Son: Michael Barkla (Flight Lieutenant, d. 1943 WWII)
High School: Liverpool Institute High School for Boys, Liverpool, England (1894)
University: BS Physics, University of Liverpool (1898, first class)
University: MS Physics, University of Liverpool (1899)
Scholar: Trinity College, Cambridge University (1899-1900)
Lecturer: King's College, Cambridge University (1900-02)
Teacher: University of Liverpool (1902-09)
Professor: Wheatstone Professor of Physics, University of London (1909-13)
Professor: Natural Philosophy, University of Edinburgh (1913-44)
Edinburgh Mathematical Society
Royal Society 1912
Royal Society of Edinburgh 1914
Nobel Prize for Physics 1917
Hughes Medal 1917
English Ancestry
Lunar Crater Barkla (10.7� S, 67.2� E, 42 km. diameter)
Author of books:
Notes on Practical Physics for Junior Students (1913, textbook; with George A. Carse)
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