2. Alexander Graham Bell (English: Alexander Graham Bell,1March 3, 847-1August 2, 922) is a Canadian inventor and entrepreneur. He obtained the patent right of the world's first available telephone and founded the Bell Telephone Company (AT & amp; The predecessor of t company). In 2004, Bell was selected as "Top Ten Outstanding Canadians" in the "Greatest Canadians" contest organized by the Canadian Broadcasting Corporation.
3. The famous inventor Elisha Gray (1835—1901June 2 1) is the inventor of the liquid phone. 19 In the 1970s, this lawsuit, which lasted for more than 10 years, ended in the failure of Gray, but he undoubtedly became a famous inventor involved in the telephone invention patent and became famous in one fell swoop. In this vigorous struggle and lawsuit, Bell took the initiative to gain benefits and enjoy fame, and Gray became one of the "out of favor".