-
Charles Cabbage was an english mathematician and polymath, who created a machine that could calculate numerical calculations. -
Inventor Samuel Morse developed the telegraph system. Morse's system sent out a signal in a series of dots and dashes, each combination representing one letter of the alphabet (“Morse code”). -
On March 7, 1876, 29, Alexander Graham Bell receives a patent for his revolutionary new invention: the telephone. The Scottish-born Bell worked in London with his father, Melville Bell, who developed Visible Speech, a written system used to teach speaking to the deaf. -
On May 14, 1897, the Italian electrical engineer and Nobel Prize winner Guillermo Marconi made the first radio transmission in history. -
The world's first electronic television was created by a 21 year old inventor named Philo Taylor Farnsworth. That inventor lived in a house without electricity until he was age 14. -
In 1972, Alan Kay, an American Computer scientist, came up with the concept of a tablet (named Dynabook). Kay envisioned a personal computing device for children that works pretty much like a PC. -
The first handheld cellular mobile phone was demonstrated by John F. Mitchell and Martin Cooper of Motorola in 1973, using a handset weighing 2 kilograms.