Read the following passage and choose the item (a, b, c, or d) that best answers each of the questions about it.
John Logie Baird, who is called ‘the father of television’, was born in Scotland in 1888. He became an inventor at the age of 26. His first inventions were electrically-heated socks and air-filled shoes, but these were not very successful.
However, in 1923, he became interested in the idea of pictures by radio. He worked for several months, and the following year he succeeded in transmitting the first ‘television’ picture a few meters across the room.
Baird’s ‘television’ was not very clear, but people were very interested and he tried to make it better. In 1926, he showed it to the public at the Royal Society. In 1928, he transmitted the first picture across the Atlantic and in 1929, the BBC and the German post office began to broadcast TV with his system.
One of Baird’s first inventions was
electrically-heated sock air-filled shoe television a & b