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John Ambrose Fleming

1849 - 1945

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Sir John Ambrose Fleming FRS (29 November 1849 – 18 April 1945) was an English electrical engineer and physicist who invented the first thermionic valve or vacuum tube, designed the radio transmitter with which the first transatlantic radio transmission was made, and also established the right-hand rule used in physics.He was the eldest of seven children of James Fleming DD (died 1879), a Congregational minister, and his wife Mary Ann, at Lancaster, Lancashire, and baptised on 11 February 1850. A devout Christian, he once preached at St Martin-in-the-Fields in London on evidence for the resurrection. In 1932, he and Douglas Dewar and Bernard Acworth helped establish the Evolution Protest Movement. Read more on Wikipedia

Since 2007, the English Wikipedia page of John Ambrose Fleming has received more than 340,705 page views. His biography is available in 33 different languages on Wikipedia. John Ambrose Fleming is the 39th most popular engineer (down from 38th in 2019), the 766th most popular biography from United Kingdom (down from 661st in 2019) and the 2nd most popular British Engineer.

John Ambrose Fleming was most famous for inventing the thermionic valve, a vacuum tube that is used in radios and other devices to amplify signals.

Memorability Metrics

  • 340k

    Page Views (PV)

  • 61.41

    Historical Popularity Index (HPI)

  • 33

    Languages Editions (L)

  • 8.21

    Effective Languages (L*)

  • 2.47

    Coefficient of Variation (CV)

Page views of John Ambrose Flemings by language


Among ENGINEERS

Among engineers, John Ambrose Fleming ranks 39 out of 323. Before him are Villard de Honnecourt, Felix Wankel, Pavel Sukhoi, Howard H. Aiken, Godfrey Hounsfield, and Anthony Fokker. After him are Alexander Wienerberger, Ildefons Cerdà, Edward A. Murphy Jr., Sergey Ilyushin, Ernst Heinkel, and Emil Škoda.

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Contemporaries

Among people born in 1849, John Ambrose Fleming ranks 13. Before him are Bernhard von Bülow, Felix Klein, Alfred von Tirpitz, John William Waterhouse, Sergei Witte, and Bertha Benz. After him are Eva Gonzalès, Ellen Key, Blanche Monnier, Infante Alfonso Carlos, Duke of San Jaime, Nogi Maresuke, and Max Nordau. Among people deceased in 1945, John Ambrose Fleming ranks 80. Before him are Pavlo Skoropadskyi, Yun Chi-ho, Hans-Georg von Friedeburg, Wied, Prince of Albania, Felix Salten, and Maurice Halbwachs. After him are Josef Terboven, Frederick Francis IV, Grand Duke of Mecklenburg-Schwerin, Hans Oster, Mitsuru Ushijima, Fritz Klein, and Plutarco Elías Calles.

Others Born in 1849

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Others Deceased in 1945

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In United Kingdom

Among people born in United Kingdom, John Ambrose Fleming ranks 766 out of 7,765. Before him are David Coverdale (1951), Ronald Fisher (1890), Philip Sclater (1829), Mungo Park (1771), Edmund Cartwright (1743), and Tim Roth (1961). After him are Edmund Allenby, 1st Viscount Allenby (1861), Kenny Dalglish (1951), Charles Spurgeon (1834), Bryan Ferry (1945), James Gregory (1638), and E. M. Forster (1879).

Others born in United Kingdom

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Among ENGINEERS In United Kingdom

Among engineers born in United Kingdom, John Ambrose Fleming ranks 2. Before him are Godfrey Hounsfield (1919). After him are William John Macquorn Rankine (1820), Charles George Gordon (1833), Isambard Kingdom Brunel (1806), Colin Chapman (1928), Ross Brawn (1954), Henry Royce (1863), Charles Rolls (1877), George Cayley (1773), Patrick Head (1946), and Adrian Newey (1958).

British born Engineers

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