Kattelman has a Ph.D. and specializes in modern drama. In this essay, she discusses the theme of the triumph of the human spirit in Zindel's play.

The Effect of Gamma Rays on Man-in-the-Moon Marigolds presents the themes of alienation and man's inhumanity to man played out in the microcosm of the family. Life has not been kind to Beatrice Hunsdorfer, and she takes her frustration and hatred of the world out on those around her. Beatrice has been deeply hurt and has developed an instinct to lash out at others before they get the chance to do the same to her. She lives by the rule, Do unto others before they do unto you. She is particularly abusive to her daughters. Throughout the course of the play she calls them names, makes fun of them, and does whatever she can to thwart their dreams and desires...