The Great Scientist Alexander Graham Bell
Alexander Graham Bell was a great scientist who invented first Telephone. Alexander Graham Bell was born on 3 March 1847 in Scotland, UK. He was died on 2 august 1922 because of disease Diabetes at the age of 75 in Canada. Alexander Melville Bell was his father he was professor and Eliza Grace was his mother.
His Invention of Telephone :
In 1874 he started his experiment to make telephone and on 2 June 1875 he got success in his experiment he accidentally noticed that his telephone was working and he had discovered first telephone. He rushed to patent office and patents his telephone in 1875. But this was work only for short distance.
Bell continuing his research in Brantford on his telephone experiment and he got success on 3 august 1876; he was able to transmit his voice at 8km from telephone office in Mount Pleasant to Brantford.