Karl Benz, born in 1844 was a son of an engine driver. Benz studied mechanical engineering, and since his days of education was interested in the internal combustion engine. His early working days at the time was however restricted to the two-stroke engine, since the four-stroke engine was under the Otto patent.
In 1885, by which time the Otto patent was no longer valid, Benz developed a four-stroke internal combustion engine. This he attached to a three-wheeled carriage, and thus was born the first of the modern automobiles.
The car however was not an immediate commercial success, and it was not till seven years and several improved versions later that Benz's car became popular.
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