The electric light bulb was actually invented by Thomas Edison in 1879. If you want to find out who and when a certain invention was created, a good place to start is by doing some research on the topic. You can use search engines like Google or libraries to find information on the invention or the inventors themselves. In this case, searching for "invention of the electric light bulb" will give you plenty of resources and historical accounts of Thomas Edison's work in developing this revolutionary technology.
