The first internal-combustion engine to operate successfully on the four-stroke cycle was built in 1876 by Nicolaus August Otto. His "Silent Otto" was a good machine with a poor theory ...

Richard Trevithick’s design had a boiler but this was removed to make the internal combustion engine. The German inventor Nicklaus Otto developed the first four stroke engine in 1876.

For hundreds of years of human history, the invention that has defined our ability to travel, explore, and expand our boundaries has been the combustion engine ... Nicolaus Otto in 1876 and ...