[In a sense], Miller could be said to have paved the way for that revival of the American theatre which started in 1959, for like O'Neill before him he was a playwright prepared to confront seriously aspects of the human situation ignored by a theatre obsessed with psychology and sociology…. His achievement lies not in his sensitivity to contemporary issues but in his ability to penetrate to the metaphysical implications of those issues. Nevertheless Miller never entirely shakes himself free of the influence of the commercial theatre while even in theatrical form he has tended towards conservatism. In his introduction to The Collected Plays … he disapproves of certain new trends and emphasizes that a play 'must end, and end with a climax' and that he aimed at 'a true climax based upon revealed psychological truths'…. In truth Miller is more of an elucidator than a pioneer. Even the 'continuous...