Wells discusses the merits of Miller's play as a work of social thesis, but the critic also contends that the play offers a greater wealth of themes than that simple assessment - including the playwright's probing insights into human nature.

Looked at superficially, Arthur Miller's All My Sons may appear to be simply a social thesis play. Such classification - a valid one if severely qualified - is suggested both by the timeliness of the story and by the presence of considerable overt social criticism. The story itself is obviously calculated to engage the so-called social conscience. Stated in the simplest terms, the play dramatizes the process by which Joe Keller, a small manufacturer, is forced to accept individual social responsibility and, consequently, to accept his personal guilt for having sold, on one occasion during World War II, fatally defective airplane parts to the government.

However, while...