JOHN AMBROSE FLEMING

(Sir John Ambrose Fleming)


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John Ambrose Fleming
John Ambrose Fleming
  • Born: November 29, 1849
  • Died: April 18, 1945
  • Nationality: British
  • Profession: Inventor

Sir John Ambrose Fleming FRS 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.