Crossword clues for Telegraph inventor 5 lettersAnswerClueMORSETelegraph inventorMORSETelegraph inventor SamuelMORSETelegraphic code inventorMORSEInventor of the telegraph.SAMUELMORSEInventor of telegraph wires and a telegraphic code: 2 wds.SAMUELMORSETelegraph inventorVAILInventor who improved the telegraph.