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Edison, Thomas A. (Thomas Alva) 1847-1931 Edison, Thomas A. (Thomas Alva) 1847-1931 Childhood and youth Edison, Thomas A. (Thomas Alva) 1847-1931 Childhood and youth Juvenile literature Edison, Thomas A. (Thomas Alva) 1847-1931 Juvenile literature Electrical engineers Electrical engineers United States Biography Juvenile literature Inventors Inventors United States Biography Juvenile literature United Stateschat loading...