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John Ambrose Fleming

Sir John Ambrose Fleming was an English electrical engineer and physicist. He is known for inventing the vacuum tube radio transmitter—with which the first transatlantic radio transmission was made—and establishing the right-hand rule used in physics.

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science · English electrical engineer and physicist (1849–1945) · inventor · physicist · university teacher · electrical engineer · also John Ambrose Fleming, John Fleming, Sir John Ambrose Fleming, Xhon Fleming, Fleming

Born 29 November 1849 · Died 18 April 1945 · Q128823

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Jun 1935Award
Won Franklin Medal (1935).
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Jun 1933Award
Won IEEE Medal of Honor (1933).
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1971· 1 entry

1971Source gives the year onlyDocumented record70% confidence

John Ambrose Fleming

The Greater London Council erected a blue plaque for Fleming at 9 Clifton Gardens in Maida Vale, London

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1945· 2 entries

Apr 18, 1945Documented record86% confidence

John Ambrose Fleming

Died 1945-04-18.

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1945Source gives the year onlyDocumented record70% confidence

John Ambrose Fleming

Fleming's widow donated Fleming's library and papers to University College London

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1941· 1 entry

1941Source gives the year onlyDocumented record70% confidence

John Ambrose Fleming

The London Power Company commemorated Fleming by naming a new 1,555 GRT coastal collier SS Ambrose Fleming

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1935· 1 entry

Jun 15, 1935Documented record84% confidence

John Ambrose Fleming

Won Franklin Medal (1935).

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1933· 1 entry

Jun 15, 1933Documented record84% confidence

John Ambrose Fleming

Won IEEE Medal of Honor (1933).

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1932· 1 entry

1932Source gives the year onlyDocumented record66% confidence

John Ambrose Fleming

And Douglas Dewar and Bernard Acworth helped establish the Evolution Protest Movement

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1930· 1 entry

Jun 15, 1930Documented record84% confidence

John Ambrose Fleming

Won Dennis Gabor Medal and Prize (1930).

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1928· 2 entries

Jun 15, 1928Documented record84% confidence

John Ambrose Fleming

Won Faraday Medal (1928).

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Jan 1, 1928Documented record84% confidence

John Ambrose Fleming

Career landmark: president of the Royal Television Society (1928–1945).

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1926· 2 entries

1926Source gives the year onlyDocumented record70% confidence

John Ambrose Fleming

Fleming retired from University College London

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1926Source gives the year onlyDocumented record72% confidence

John Ambrose Fleming

Fleming retired to Sidmouth around 1926, where he died on 18 April 1945 at the age of 95.

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1921· 1 entry

Jun 15, 1921Documented record84% confidence

John Ambrose Fleming

Won Albert Medal (1921).

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1910· 1 entry

Jun 15, 1910Documented record84% confidence

John Ambrose Fleming

Won Hughes Medal (1910).

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1906· 1 entry

1906Source gives the year onlyDocumented record70% confidence

John Ambrose Fleming

American inventor Lee De Forest added a control grid to the valve to create an amplifying vacuum tube RF detector called the Audion, leading Fleming to accuse him of infringing on his patents

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1904· 1 entry

1904Source gives the year onlyDocumented record70% confidence

John Ambrose Fleming

While working for the Marconi Company to improve transatlantic radio reception, Fleming built the first vacuum tube—the two-electrode diode—which he called the "oscillation valve", for which he received a patent on 16 No

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1899· 1 entry

1899Source gives the year onlyDocumented record66% confidence

John Ambrose Fleming

Guglielmo Marconi, the inventor of radiotelegraphy, decided to attempt transatlantic radio communication

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1897· 1 entry

1897Source gives the year onlyDocumented record70% confidence

John Ambrose Fleming

The Pender Memorial Committee donated £5,000 to the Department, which was used to found the Pender Laboratory—along with the Pender Chair, which Fleming took up

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1892· 1 entry

Jan 1, 1892Documented record75% confidence

John Ambrose Fleming

“The Importance of Correct Ideals”

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1885· 1 entry

1885Source gives the year onlyDocumented record70% confidence

John Ambrose Fleming

Fleming became head of the newly established Department of Electrical Technology at University College London

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1882· 1 entry

1882Source gives the year onlyDocumented record66% confidence

John Ambrose Fleming

Became an electrician at the Edison Electric Light Company, advising on lighting systems and the new Ferranti alternating current systems

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1877· 1 entry

1877Source gives the year onlyDocumented record66% confidence

John Ambrose Fleming

Enrolled at St John's College, Cambridge, to study the Natural Science Tripos

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1872· 1 entry

1872Source gives the year onlyDocumented record66% confidence

John Ambrose Fleming

Enrolled at the Royal College of Science, where he studied chemistry under Frankland

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1868· 1 entry

1868Source gives the year onlyDocumented record66% confidence

John Ambrose Fleming

Temporarily suspended his studies due to financial difficulties

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1867· 1 entry

1867Source gives the year onlyDocumented record70% confidence

John Ambrose Fleming

Fleming enrolled at University College London, where he studied under Augustus De Morgan, Alexander Williamson, and George Carey Foster

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1863· 1 entry

1863Source gives the year onlyDocumented record66% confidence

John Ambrose Fleming

Where he developed an interest in engineering

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1849· 1 entry

Nov 29, 1849Documented record86% confidence

John Ambrose Fleming

Born 1849-11-29.

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