The term MENLO PARK NAME refers to two famous inventors who worked at the Menlo Park laboratory in New Jersey. The first inventor is Alva, a four-letter name, and the second is Edison, a six-letter name. Alva was an American inventor and businessman who developed the first practical incandescent light bulb. Edison 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.