John Ambrose Fleming (29 nov 1849 – 18 avr. 1945)
Description:
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.Ajouté au bande de temps:
Date:
29 nov 1849
18 avr. 1945
~ 95 years