Johann Helfrich von Müller
Johann Helfrich von Müller (January 16, 1746 – 1830) was an engineer in the Hessian army who conceived the Difference Engine in 1786, an idea that later evolved into modern computers. In 1784, he was responsible for an improved adding machine based on principles of Leibniz's Stepped Reckoner.
- Biography of Johann Helfrich Müller
- d'Ocagne, Maurice (1905). Le Calcul Simplifié Par Les Procedes Mecaniques Et Graphiques. Google Book Search. Retrieved on April 23, 2008.
- Dr Stefano Zottino ANALYTICAL ENGINE L'IDEA INNOVATIVA DI CHARLES BABBAGE, Thesis, Università Ca' Foscari di Venezia, Italy.
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