Graham Bell and the invention of the telephone

TODO

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• teacher to deaf children
• was meant to work on a multi-channel telegraph
• used the funds to work on the telephone instead
• lived in poverty
• married a deaf women
• law sauit settled lead to creation of AT&T
• AT&T RnD department "Bell Labs" is the origin of a multitide of technical innovations including
  • vacuum tube
  • transistors
  • integrate circuits
  • lasers
  • satelites
  • the UNIX OS
  • the programming language C