Alexander Graham Bell’s first telephone call was made to his assistant, Thomas A. Watson, who was in another room of the laboratory.

Quick Scoop: Who He Called First

  • The very first successful call took place on 10 March 1876 in Bell’s lab in Boston.
  • Bell spoke into his experimental telephone and said the now‑famous line to Watson.
  • The words are usually given as: “Mr. Watson, come here — I want to see you.”
  • Watson heard him through the device in the next room and came in, confirming the experiment had worked.

So, if you’re wondering “who did Alexander Graham Bell call first?” — it was his assistant, Thomas A. Watson , just a room away, in the world’s first telephone call.

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