The radio transmitter and aerial radio antenna was an innovation of A. Guglielmo Marconi B. Thomas Edison C. Alexander Graham Bell D. Jean Lenoir E. Gustav Eiffel
what you guess here about the answer...?
c
hmmm... look.... "Alexander Graham Bell was an eminent Scottish-born scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone. His research on hearing and speech led him to experiment with hearing devices. Bell considered his most famous invention to be an intrusion on his real work as a scientist and refused to have a telephone in his study. Many other inventions marked Bell's later life, including groundbreaking work in optical telecommunications, hydrofoils and aeronautics. The radio transmitter and 'aerial' radio antenna were innovations of Guglielmo Marconi."
so a
yeah A...
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