Thomas Alva Edison was a famous American inventor who ran his first test of an Electric Bulb in Menlo Park, in 1879. He also started the Edison Electric Light Company. He made the light bulb practical and inexpensive through different means. Then, he began to manufacture and market it for widespread use. Edison later invented the entire electric utility system to deliver light to homes through a network of wires. The light bulb is considered as one of the best inventions.