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Nicolaus August Otto coloring page
Nicolaus August Otto was born on 14 June, 1832 in Holzhausen, Germany. He is credited with the invention of the modern engine. He built the first practical four-stroke internal combustion engine called the 'Otto Cycle Engine'. He built it into a motorcycle when he completed his engine. His first job was a travelling salesman. Soon he developed an interest in the new technologies and began experimenting with building four-stroke engines. After meeting Eugen Langen who was a technician, Otto quit his job. They started the world's first engine manufacturing company N.A. Otto & Cie. In 1876, Nicolaus Otto built the first four-stroke piston cycle internal combustion engine. He continued to build up his four-stroke engine. Only after his invention of the first magneto ignition system for low-voltage ignition in 1884, he considered his work finished. Nicolaus Otto died on 26 January, 1891 in Cologne.