2 Quotes & Sayings By Ernst Alexanderson

Ernst Alexanderson (February 27, 1874 – February 12, 1968) was a Swedish inventor and futurist who is best known for his creation of the first electronic television system. He was born in the small town of Härjedalen, Sweden. His father was a blacksmith and his mother ran a small general store. He left school at age 14 and began working as a telegraph operator and an apprentice machinist Read more

At age 21 he invented the detector vacuum tube for radio transmission, which made it possible to transmit visual images from one place to another.