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Eli Whitney
inventing the cotton gin, milling, interchangeable parts -
Alessandro Volta
invention of the electric battery -
Alexander Graham Bell
nvention of the telephone (1876) and the refinement of the phonograph -
Thomas Edison
invented incandescent light bulb and one of the earliest motion picture cameras -
Gottlieb Daimier
patented one of the first successful internal-combustion engines in 1885. He also helped develop the commercially feasible four-wheeled automobile. -
Gugliemlo Marconi
was a Nobel Prize-winning physicist and inventor credited with the groundbreaking work necessary for all future radio technology. Through his experiments in wireless telegraphy, Marconi developed the first effective system of radio communication -
Orville Wright
were two American brothers, inventors, and aviation pioneers who are generally credited with inventing, building, and flying the world's first successful airplane -
Henry Ford
invention of the first automobile is generally credited to Karl Benz of Germany.