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Johann Helfrich von Müller (January 16, 1746 – 1830) was an engineer in the Hessian army who in 1786 conceived the idea that would later evolve into modern computers, the Difference Engine. He was also, in 1784, responsible for an improved adding machine based on principles of Leibniz's Stepped Reckoner.

[edit] References

• d'Ocagne, Maurice (1905). Le Calcul Simplifié Par Les Procedes Mecaniques Et Graphiques. Google Book Search. Retrieved on April 23, 2008.

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