Alexander Graham Bell
Alexander Graham Bell was the inventor of the telephone, which enabled people to communicate by voice over electrical wires. The invention of the telephone started a whole new technological communications boom. This photo is a portrait of Alexander Graham Bell - can you find the three differences in this photo hunt puzzle?
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Many people didnt know that he stared out teaching at a School for the Deaf - one of the first ones in the world. His work with speech and sound waves allowed him to help invent the telephone. |
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