Nikolaus August Otto ‘s photografic portrait
Nikolaus August Otto was the German inventor of the first internal-combustion engine to efficiently burn fuel directly in a piston chamber. Though the concept of four strokes, with the vital compression of the mixture before ignition, had been invented and patented in 1861 by Alphonse Beau de Rochas Otto was the first to make it practical.
Who-is-Who in MMS, History of machines, history of mechanical engineering, machine design, engineer, designer, inventor