Surname of American who invented the phonograph and the microphone

Let's find possible answers to "Surname of American who invented the phonograph and the microphone" crossword clue. First of all, we will look for a few extra hints for this entry: Surname of American who invented the phonograph and the microphone. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.