John Ambrose Fleming (Electrical Engineer/Physicist) (29 nov 1849 año – 18 abr 1945 año)

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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.

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