Elizabeth Bell, mother of Alexander Graham Bell, c 1840s.
© Science Museum / Science & Society Picture Library
Watercolour painting. Elizabeth Bell (d 1856) was the mother of Scottish-born inventor and telephone pioneer Alexander Graham Bell (1847-1922). After experimenting with various acoustic devices, A G Bell produced the first intelligible telephone transmision with a mesage to his asistant on 5 June 1875. He patented this device as the telephone in 1876. He also invented the phonograph (1880) and the gramophone (1887).