Inventors You Should Know About(English, Paperback, Simpson Phillip W.)
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You may have heard of Thomas Edison or Alexander Graham Bell. But have you ever heard of Hedy Lamarr or Bi Sheng? Without Hedy Lamarr, we wouldn't have wireless technology. Without Bi Sheng, we wouldn't have printed books! Learn about eight important inventors and how their inventions have shaped the world we live in today.
