Hart is a freelance writer and author of several books. In this essay, Hart focuses this essay on the various roles that the character Margrethe portrays in Frayn's work.

There are three characters in Michael Frayn's award-winning play Copenhagen, and the main focus of the play is on only two of them, Niels Bohr and Werner Heisenberg. This leaves the third character, Margrethe Bohr, in a very special position, one that changes depending on the needs of the play. In her various roles, Margrethe sometimes acts as the moderator of the discussions between Bohr and Heisenberg. At other times she plays out her role as wife and protector of Bohr. In different situations, Margrethe is representative of the general audience, someone in need of explanations in order to become more deeply involved in the dialogue. And in yet different settings, she is provides details for the audience's...