Charles Babbage, mathematician and computing pioneer, c 1840.
© Science Museum / Science & Society Picture Library
Pencil drawing with white chalk by Samuel Laurence of Charles Babbage (1791-1871). Babbage was a computer pioneer, inventor, reformer, mathematician, scientist, philosopher and political economist. His Analytical Engine of 1834 was the first calculating engine designed along modern lines and he is said to be the 'father' of computing.