How it works, History, Inventors and Examples. Advantages and disadvantages of the Incandescent Lamp. Light bulb collector Rick DeLair take you on a tour of the most popular form of electric light in history. Inventors: Sir Humphry Davy, Moleyns, Edison, Swan, Coolidge, Langmuir, Tonks, Pipkin. Platinum filaments, bamboo, carbonized cotton, tantalum, ductile tungsten. Part of the educational series on electric light.