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Granville T. Woods
Read a brief biography of Graville T. Woods, known as "The Black Edison" because of the multitude and scope of his inventions. Perhaps his most important was a way for trains to communicate with each other.
Curated OER
Science Kids: Science Images: Thomas Edison
This is a black and white photo of a famous American inventor named Thomas Edison. His many inventions included the practical electric light bulb and phonograph (a device used to play recorded sound).