The invention of the light bulb The invention of the light bulb In history it was usual, that people used oil lamps or candles as a light. They used it to read, write, to have a light on their way home. But of course people started to think about other different ways, how they can get a light. Then one american inventer whos name was Thomas Alva Edison experimented with different kinds of materials.Then in 1979 he discovered that perfect is carbon because the light bulb glowed for 40 hours but didnt burned up. This discovery was a big change not only because it was expensive to burn candles, but also the people will have enough light.