John Ambrose Fleming

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John Ambrose Fleming


Born
in Lancaster, Lancashire, England, The United Kingdom
November 29, 1849

Died
April 18, 1945

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Sir John Ambrose Fleming FRS (29 November 1849 – 18 April 1945) was an English electrical engineer and physicist. He is known for inventing the first thermionic valve or vacuum tube, the diode, later called the kenotron in 1904. He is also famous for the left hand rule (for electric motors). He was born the eldest of seven children of James Fleming DD (died 1879), and his wife, Mary Ann, at Lancaster, Lancashire.

He was an accomplished photographer and, in addition, he painted watercolours and enjoyed climbing in the Alps.

Ambrose Fleming was born in Lancaster and educated at University College School, London, and University College London. He went on to Lecture at several universities including the University of Cambridge, the University of
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Average rating: 3.83 · 6 ratings · 0 reviews · 90 distinct works
Waves and Ripples in Water,...

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Memories of a Scientific Life

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Short Lectures to Electrica...

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The Electrical Experimenter...

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The evidence of things not ...

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Electrical Laboratory Notes...

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The Thermionic Valve and it...

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The Wireless Telegraphist's...

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A Handbook for the Electric...

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Hertzian Wave Wireless Tele...

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