Biography:J. J. Thomson: Difference between revisions

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{{Short description|British physicist associated with the discovery of the electron}}
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{{Biography page}}
{{Infobox scientist
{{Infobox scientist
| name = J. J. Thomson
| name = J. J. Thomson
| birth_date = 1856
| image = Biography_J_J_Thomson.jpg
| death_date = 1940
| caption = Thomson
| birth_name = Joseph John Thomson
| birth_date = 18 December 1856
| birth_place = Cheetham Hill, Manchester, England
| death_date = 30 August 1940
| death_place = Cambridge, England
| fields = Physics
| fields = Physics
| work_institutions = University of Cambridge
| work_institutions = University of Cambridge
| known_for = Electron; cathode rays; atomic structure
| known_for = Discovery of the electron; cathode rays; mass-to-charge ratio
| awards = Nobel Prize in Physics (1906)
}}
}}


{{Short description|Physicist associated with the discovery of the electron}}
'''J. J. Thomson''' (1856-1940) was a British physicist whose cathode-ray experiments led to the identification of the [[Physics:Quantum electron|electron]] as a subatomic particle. His work showed that atoms contain smaller charged constituents and helped move physics beyond the older picture of indivisible atoms.
'''J. J. Thomson''' (1856-1940) was a British physicist known for experiments with cathode rays that led to the identification of the [[Physics:Quantum electron|electron]] as a subatomic particle. His work helped establish that atoms contain smaller charged constituents rather than being indivisible units.
 
== Electron discovery ==
In 1897 Thomson measured the charge-to-mass ratio of cathode-ray particles and argued that they were universal constituents of matter. These particles were soon identified with electrons. The result became one of the foundations of modern atomic and particle physics.


Thomson received the 1906 Nobel Prize in Physics for investigations of the conduction of electricity by gases. In the Quantum Collection, his name is linked with the historical discovery of the electron and the emergence of subatomic particle physics.
Thomson's work is linked with the early history of [[Physics:Quantum atoms/electron|atomic electrons]], [[Physics:Quantum elementary particle|elementary particles]], and the structure of matter.


== See also ==
== Quantum Collection links ==
* [[Physics:Quantum electron]]
* [[Physics:Quantum electron]]
* [[Physics:Quantum atoms/electron]]
* [[Physics:Quantum atoms/electron]]
* [[Physics:Quantum particle]]
* [[Physics:Quantum elementary particle]]
* [[Physics:Quantum elementary particle]]
== References ==
{{reflist|3}}
* {{Cite web |title=J. J. Thomson - Biographical |url=https://www.nobelprize.org/prizes/physics/1906/thomson/biographical/ |publisher=Nobel Prize Outreach |access-date=2026-05-23}}
* {{Cite web |title=J. J. Thomson |url=https://www.britannica.com/biography/J-J-Thomson |website=Encyclopaedia Britannica |access-date=2026-05-23}}
== External links ==
* [https://www.nobelprize.org/prizes/physics/1906/thomson/biographical/ Nobel Prize biography]


{{Author|Harold Foppele}}
{{Author|Harold Foppele}}

Latest revision as of 23:02, 24 May 2026

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J. J. Thomson
Thomson
Thomson
Born 18 December 1856
Cheetham Hill, Manchester, England
Died 30 August 1940
Cambridge, England


Known for Discovery of the electron; cathode rays; mass-to-charge ratio
Awards Nobel Prize in Physics (1906)

J. J. Thomson (1856-1940) was a British physicist whose cathode-ray experiments led to the identification of the electron as a subatomic particle. His work showed that atoms contain smaller charged constituents and helped move physics beyond the older picture of indivisible atoms.

Electron discovery

In 1897 Thomson measured the charge-to-mass ratio of cathode-ray particles and argued that they were universal constituents of matter. These particles were soon identified with electrons. The result became one of the foundations of modern atomic and particle physics.

Thomson's work is linked with the early history of atomic electrons, elementary particles, and the structure of matter.

References


Author: Harold Foppele


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