Initially, the Irish playwright who helped 13 down edit 9, 10, 21 across

Let's find possible answers to "Initially, the Irish playwright who helped 13 down edit 9, 10, 21 across" crossword clue. First of all, we will look for a few extra hints for this entry: Initially, the Irish playwright who helped 13 down edit 9, 10, 21 across. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.