Mathew Evans
![A portion of the 1874 actual patent application.](https://upload.wikimedia.org/wikipedia/commons/8/8c/Light_bulb_patent.jpg)
Evans, from Toronto, Ontario, and his friend Henry Woodward, made the light bulb by sending electricity through a filament made of carbon. Evans was a hotelier. Provided by Wikipedia
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1by Qinbin Li, Daniel J. Jacob, Rokjin Park, Yuxuan Wang, Colette L. Heald, Rynda Hudman, Robert M. Yantosca, Randall V. Martin, Mathew EvansGet access
Published 2004
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