On our CodyCross answers based website we have the solution for First name of O'Neill, playwright of 1929's Dynamo. CodyCross game includes different missions and events which update daily so you can earn tokens that are mostly needed to help with answers for challenging clues. Now let's focus on the answer you need for First name of O'Neill, playwright of 1929's Dynamo by scrolling down which is part of CodyCross The 1920s Group Puzzle 11.