Analysis of Luigi Pirandello’s Six Characters in Search of an AuthorIt can be argued that with Luigi Pirandello’s Six Characters in Search of an Author Albert Einstein’s theory of relativity arrives on stage. Called by critic Felicity Firth “the major single subversive moment in the history of modern theatre,” the play is a dizzying hall of mirrors that tests the philosophical basis of the concept of reality while exposing and renewing the operating principles of the drama.