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The First System of a Continuous Source of Energy
Italian inventor Alessandro Volta created the earliest version of the light bulb (a glowing copper wire) -
First Electric Lamp
Humphry Davy creates the first electric lamp by using elements discovered by Alessandro Volta. -
Coiled Platinum Filament Light Bulb
British scientist Warren de la Rue created a highly efficient light bulb, but it was too expensive to become very successful commercially. -
Cost Efficient Blight Bulb
English chemist Joseph Swan tackled the cost-effectiveness problem by developing a light bulb that used carbonized paper filaments in place of ones made of platinum -
The Light Bulb Gains Some Popularity
Canadian inventors Henry Woodward and Matthew Evans filed a patent for an electric lamp with different-sized carbon rods held between electrodes in a glass cylinder filled with nitrogen -
The First Commercial Electric Light Bulb
Thomas Edison created the first practical light bulb. He replaced some of the materials to make the light bulb easier to manufacture and more practical to use. He slightly altered the design of Swan. (Cost less to make and easier to access materials) -
LED Lights
Nick Holonyak accidentally created the first LED light (red) while trying to create a laser and this opened a whole new side to the light bulb
