John Ambrose Fleming (1849–1945)
Born 1849 CE, died 1945 CE.
Sir John Ambrose Fleming (29 November 1849 – 18 April 1945) 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.
Text from the Wikipedia article John_Ambrose_Fleming, licensed CC BY-SA 4.0.