4 ottob 1877 anni - Alexander Graham Bell
Descrizione:
Alexander Graham Bell is most famous for his invention of the telephone. He first became interested in the science of sound because both his mother and wife were deaf. He was first and, as a result, Bell and his investors had a valuable patent that would change the world. They formed the Bell Telephone Company in 1877.Aggiunto al nastro di tempo:
Data:
4 ottob 1877 anni
Adesso
~ 146 years ago
