• Thumbnail for John Sealy Townsend
    Sir John Sealy Edward Townsend FRS (7 June 1868 – 16 February 1957) was an Irish-British mathematical physicist who conducted various studies concerning...
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  • Thumbnail for Townsend discharge
    without both, the phenomenon does not occur. The Townsend discharge is named after John Sealy Townsend, who discovered the fundamental ionisation mechanism...
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  • Thumbnail for Ramsauer–Townsend effect
    of quantum mechanics. The effect is named for Carl Ramsauer and John Sealy Townsend, who each independently studied the collisions between atoms and...
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  • {\displaystyle N} is concentration of neutral particles. It is named after John Sealy Townsend, who conducted early research into gas ionisation. It is defined...
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  • John Sealy may refer to: John Sealy Townsend, mathematical physicist who taught at Oxford University John Sealy Hospital, a hospital that is a part of...
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  • children's author John Richard Townsend (1930–2013), British painter John Sealy Townsend (1868–1957), Irish physicist John Selby Townsend (1824–1892), American...
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  • Thumbnail for Robert J. Van de Graaff
    University by a Rhodes Scholarship, completing his D.Phil. under John Sealy Townsend at Oxford University in 1928. Van de Graaff was the inventor of the...
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  • 1897-1901 - Discovery of the Townsend discharge by John Sealy Townsend 1908 - Hans Geiger and Ernest Rutherford use the Townsend discharge principle to detect...
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  • avalanche effect was discovered by John Sealy Townsend in his work between 1897 and 1901, and is also known as the Townsend discharge. Electron avalanches...
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  • Thumbnail for Clarendon Laboratory
    1st Viscount Cherwell) and the Grade II listed Townsend Building (named after Sir John Sealy Townsend). The Beecroft Building (named after Adrian Beecroft)...
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  • Thumbnail for Geiger counter
    ionization mechanism used was discovered by John Sealy Townsend between 1897 and 1901, and is known as the Townsend discharge, which is the ionization of molecules...
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  • Delaware John Kirk Townsend (1809–1851), American naturalist John Rowe Townsend (1922–2014), British children's author John Sealy Townsend (1868–1957)...
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  • Ouseley Anne Rabbitte Marc Roberts Tom Senier, Irish melodeon player John Sealy Townsend (1869–1967), mathematical physicist Noel Treacy Matthew Tullie Bríd...
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  • 6 – Robert Falcon Scott (died 1912), English explorer. June 7 – John Sealy Townsend (died 1957), Irish mathematical physicist. June 14 – Karl Landsteiner...
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  • University of Oxford. This professorship is associated with New College. John Sealy Townsend, 1900–1941 Maurice Pryce, 1946–1955 Willis Lamb, 1957–1962 Sir Rudolf...
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  • Thumbnail for Cavendish Laboratory
    discovery of the electron by J.J. Thomson (1897) the Townsend discharge by John Sealy Townsend, and the development of the cloud chamber by C.T.R. Wilson...
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  • Thumbnail for Kathleen Kennedy Townsend
    Kathleen Hartington Kennedy Townsend (born July 4, 1951) is an American attorney who was the sixth (and first female) lieutenant governor of Maryland from...
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  • nobelprize.org. Retrieved 23 December 2023. "Nomination archive – Sir John S Townsend". nobelprize.org. Retrieved 23 December 2023. "Nomination archive –...
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  • Thumbnail for Peter Townsend (RAF officer)
    Group Captain Peter Wooldridge Townsend, CVO, DSO, DFC & Bar (22 November 1914 – 19 June 1995) was a British Royal Air Force officer, flying ace, courtier...
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  • Chandrasekhara Venkata Raman Ramsauer–Townsend effect (a.k.a. Ramsauer effect, Townsend effect) – Carl Ramsauer and John Sealy Townsend Ramsden circle/disc/eyepoint...
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  • Thumbnail for List of scholars of Trinity College Dublin
    President of the Royal Irish Academy. John Lighton Synge (Mathematics, 1919), mathematician and physicist. John Sealy Townsend (Mathematics, 1888), mathematical...
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  • 1921: The simultaneous discovery of Ramsauer-Townsend effect by Carl Ramsauer and John Sealy Townsend (1921). 1922: Sound film – Joseph Tykociński-Tykociner...
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  • Thumbnail for Devin Townsend
    Devin Garrett Townsend (born May 5, 1972) is a Canadian singer, songwriter, musician, and record producer. He founded extreme metal band Strapping Young...
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  • Thumbnail for John Townsend Trowbridge
    John Townsend Trowbridge (September 18, 1827 – February 12, 1916) was an American author. Trowbridge was born in Ogden, New York, to Windsor Stone Trowbridge...
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  • Thumbnail for List of nominees for the Nobel Prize in Physics
    April 2020. Retrieved 11 November 2020. "Nomination Archive - Sir John S Townsend". NobelPrize.org. April 2020. Retrieved 11 November 2020. "Nomination...
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    the School Collection. The School. p. 7. Von Engel, A. (1957). "John Sealy Edward Townsend. 1868-1957". Biographical Memoirs of Fellows of the Royal Society...
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  • Thumbnail for Hughes Medal
    occasion been awarded to multiple people at a time; in 1938 it was won by John Cockcroft and Ernest Walton "for their discovery that nuclei could be disintegrated...
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  • Associated Press. February 12, 1957. Retrieved October 24, 2012. "Sir John Sealy Townsend Irish physicist". February 12, 2024. "Ben M'hidi - One Of The Greatest...
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  • nationalist, rebel and Easter Rising leader (executed 1916). 7 June – John Sealy Townsend, mathematical physicist (died 1957). 23 June – Francis Browning,...
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  • Thumbnail for Tommy Townsend
    Thomas Townsend (born November 12, 1996) is an American football punter for the Houston Texans of the National Football League (NFL). He played college...
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