John Logie Baird, Scottish television pioneer, late 1930s.
© NMeM / Daily Herald Archive / Science & Society Picture Library
John Logie Baird (1888-1946) demonstrating an early version of his apparatus. After a serious illness in 1922, Baird devoted himself to experimentation and developed a crude TV apparatus, able to transmit a picture and receive it over a range of a few feet. The first real demonstration was within two attic rooms in Soho, London, in early 1926, and by 1927 he managed to transmit pictures by telephone line from London to Glasgow.