Sir William Henry Bragg (2 July 1862 – 10 March 1942) He invented the X-ray spectrometer and with his son, William Lawrence Bragg, founded the new science of X-ray analysis of crystal structure.
spectrometer and with his son, William Lawrence Bragg, founded the new science of X-ray analysis of crystal structure. Their volume, X-Rays and Crystal Structure (1915), had reached a fifth edition 10 years later.
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Sir Owen Willans Richardson
(26 April 1879 -
15 February 1959) He researched the photoelectric effect,
the gyromagnetic effect, the emission of electrons by chemical reactions, soft X-rays, and the spectrum of hydrogen.
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Sir James Chadwick
(20 October 1891 – 24 July
1974) In 1932, he made a fundamental discovery
in the domain of nuclear science: he discovered the particle in the nucleus of an atom that became known as the neutron because it has no electric charge.
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Sir Edward Victor Appleton
(6 September 1892 – 21
April 1965) Nobel prize for his investigations of
the physics of the upper atmosphere especially for the discovery of the so-called Appleton layer.