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Pioneer of vacuum tubes
- Sir William Crookes OM FRS (/ krʊks /; 17 June 1832 – 4 April 1919) was a British chemist and physicist who attended the Royal College of Chemistry, now part of Imperial College London, and worked on spectroscopy. He was a pioneer of vacuum tubes, inventing the Crookes tube which was made in 1875.
en.wikipedia.org/wiki/William_Crookes
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Sir William Crookes OM FRS (/ k r ʊ k s /; 17 June 1832 – 4 April 1919) was a British chemist and physicist who attended the Royal College of Chemistry, now part of Imperial College London, and worked on spectroscopy. He was a pioneer of vacuum tubes, inventing the Crookes tube which was made in 1875. This was a foundational discovery that ...
Jun 13, 2024 · Sir William Crookes was a British chemist and physicist noted for his discovery of the element thallium and for his cathode-ray studies, fundamental in the development of atomic physics. After studying at the Royal College of Chemistry, London, Crookes became superintendent of the meteorological.
- The Editors of Encyclopaedia Britannica
Sir William Crookes, O.M., F.R.S., born in London on 17 June 1832 is most noted for his discovery of thallium and his research in cathode rays. His scientific career began in 1848 at the age of fifteen when he entered the Royal College of Chemistry, London, under A.W. von Hofmann.
Crookes was primarily a chemist, his research topics ranged from improving early photographic processes to extracting precious metals from ores, and in 1861 he discovered the element thallium. From 1867 he became interested in spiritualism which affected his views on science.
Jun 8, 2018 · The English chemist and physicist Sir William Crookes (1832-1919) discovered the element thallium and invented the radiometer, the spinthariscope, and the Crookes tube. William Crookes was born in London on June 17, 1832.
His earliest published papers, which appeared when he was 19, recounted his work with selenocyanides, newly discovered compounds of selenium. A sample of a deposit from a sulfuric acid factory was the source of the selenocyanides he studied.
Jun 17, 2022 · Crookes visualized cathode rays, discovered the fundamentals of luminescence and isotopes, and developed methods for detecting ionizing radiation. He discovered the chemical element thallium and the thorium isotope 234Th.
