This document provides information about Nikola Tesla and Thomas Edison, including their biographies and major inventions. Tesla is credited with inventing alternating current, which became the standard for electric power transmission. He developed technologies like remote control, X-rays, and wireless transmission. Edison developed innovations like the phonograph, motion picture camera, and long-lasting incandescent light bulb. Both made major contributions to electrical engineering, but had differing approaches - Tesla relied more on theory while Edison used trial and error. Their inventions transformed industries and remain influential today in technologies like power grids and electronics.