Thomas Edison is widely known as the inventor of the stock ticker. He was an American inventor and businessman who developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb. He also created the first stock ticker in 1871, which allowed for the quick and efficient transmission of stock prices over telegraph lines. This invention revolutionized the stock market and made it possible for investors to make decisions based on up-to-date information.