Max Frisch's most recent play, Biography: A Game (1967), has puzzled critics because it seems to contradict the dramaturgy according to which it was written. The principles [of Frisch's new "Variation Theatre" or "Theatre of Possibility"] are 1) that contemporary drama should reflect the contemporary consciousness of the open possibilities, or open-endedness, of existence; 2) that "Theatre of Imitation"—theatre that pretends to copy "reality," presenting a predigested interpretation of reality with an underlying persuasiveness that the events presented could have happened in no other way—falsifies experience and is inauthentic theatre; and 3) that what is needed is a theatre not of fate (peripetie), but of possibility. Frisch sought in Biography to present a drama based on this dramaturgy, a drama that would be like a rehearsal in that it presented no final form for the actions considered, but a series of variations of action, of variant possibilities all equally plausible...