Who invented the light bulb?

It depends on what your looking for Humphry Davy was the one who first came up with electric light wich casued Thomas Edison to come up with the overall idea of the light bulb.

In 1802, Humphry Davy invented the first electric light. He experimented with electricity and invented an electric battery. When he connected wires to his battery and a piece of carbon, the carbon glowed, producing light. His invention was known as the Electric Arc lamp.

Still life of the first electric light bulb, invented by Thomas Alva Edison in 1879 and patented on January 27, 1880. ... Though he didn't come up with the whole concept, his light bulb was the first that proved practical, and affordable, for home illumination.

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.