'Plan of left half of middle group for General Plan 28', January 1844.
© Science Museum / Science & Society Picture Library
Design sketch for a Charles Babbage engine. Babbage (1792-1871) was a computer pioneer and 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.