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The light bulb was an innovation of A.Guglielmo Marconi B.Thomas Edison C.Alexander Graham Bell D.Jean Lenoir E.Gustav Eiffe
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The light bulb was an innovation of

A.Guglielmo Marconi

B.Thomas Edison

C.Alexander Graham Bell

D.Jean Lenoir

E.Gustav Eiffe

User ManojGeek
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The light bulb was an innovation of B. Thomas Edison. Although it existed even before him, he is still credited for this patent because his was the best one there was at the time. He started working on the light bulb in 1878.
User Gunnar Karlsson
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