Alexander Graham Bell was a human scientist born on Earth. He was best known for his invention of the telephone. The very first phone call, made by Bell to his assistant Thomas Watson, "Watson, come here, I need you", bled through onto Sonny Hoskins' portable phone and Rose Tyler's anachronistic mobile phone in 1987. This was a consequence of Rose saving her father, Pete Tyler, from death, altering the course of time. (TV: Father's Day)

When Emily Morris saw that Gemma talked through a mobile phone she said that she knew that Mister Bell's invention would catch on and that the future with a wireless telephone must be very exciting. (TV: Lost in Time)

The Fourth Doctor, upon learning from Morgan that all the phone lines were down, mentioned that he always told Alexander Bell that wires were unreliable. (TV: The Android Invasion)

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