Johann Helfrich von Müller 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.
- Occupation
- inventor, computer scientist, engineer, architect
- Citizenship
- Germany
- Born
- January 16, 1746
- Died
- June 12, 1830