Now the iconic symbol for an idea, the electric incandescent light bulb was independently produced in the late 1870s by Joseph Swan and Thomas Edison—and perhaps earlier by others. However, Edison has received the major credit for this invention because he also developed the power lines and other equipment needed for a lighting system. Financed by the likes of J.P. Morgan and the Vanderbilts, Edison achieved success using a carbon filament in his design. How do incandescent light bulbs work? Discuss
Source: The Free Dictionary