Karl Benz and the Single Cylinder Engine (Uncharted, Unexplored, and Unexplained: Scientific Advancements of the 19th Century)

Karl Benz, among many men, had tried to invent a "horseless carriage." In 1885, he succeeded in building the first three-wheeled automobile. He didn't plan on starting his own automobile revolution. In fact, not many people bought his first car. But a century later the company he built is still in existence. And his contribution to self-powered vehicles has changed millions of lives.