agedy of a man who, led on by others and because of a defect in his own nature, succumbs to ambition. In securing the Scottish throne, Macbeth dulls his humanity to the point where he becomes capable of any amoral act. Unlike these tragedies, three other plays of this period suggest bitterness stemming from the protagonists’ apparent lack of greatness or tragic stature. In Troilus and Cressida (1602?), the most intellectually contrived of Shakespeare’s plays, the gulf between the ideal and the real, both individual and political is skillfully evoked. In Coriolanus (1608?), another tragedy set in antiquity, the legendary Roman hero Gnaeus Marcius Coriolanus is portrayed as unable to bring himself either to woo the Roman masses or to crush them by force. Timon of Athens (1608?) is a similarly bitter play about a character reduced to misanthropy by the ingratitude of his sycophants. Because of the uneven quality of the writing, this tragedy is considered collaboration, quite possibly with English dramatist Thomas Middleton.The two comedies of this period are also dark in mood and are sometimes called problem plays because they do not fit into clear categories or present easy resolution. All’s Well That Ends Well (1602?) and Measure for Measure (1604?) both question accepted patterns of morality without offering solutions. Unlike the second period it was these comedies marked the end of the third period. The fourth period of Shakespeare’s work includes his principal romantic tragicomedies. Toward the end of his career, Shakespeare created several plays that, through the intervention of magic, art, compassion, or grace, often suggest redemptive hope for the human condition. These plays are written with a grave quality differing considerably from Shakespeare’s earlier comedies, but they end happily with reunions or final reconciliation. The tragic comedies depend, for part of their appeal, upon the attraction of...