Edwin Howard Armstrong

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In Music
  • Edwin Howard Armstrong was born

    Edwin Howard Armstrong was born
  • Period: to

    Edwin Howard Armstrong

  • the superheterodyn was patened

  • The audion tube came into being during his junior year at the School of Engineering; upon graduating

  • invitd to join the army as a captain

    edwin joined the us army as a captain and was sent to paris to help the army with the wireless communication
  • sent back to the u.s

    in the fall of 1919 edwin was sent back to the u.s
  • comitted suicide