Norman Frederick Simpson was an English playwright closely associated with the Theatre of the Absurd. His first play A Resounding Tinkle (1957) was produced at the Royal Court Theatre and many of his most famous plays, including The Hole (1958), One Way Pendulum (1959) and The Cresta Run (1964) were staged at the Royal Court. Simpson published several novels and wrote many sketches and comedy pieces for radio and television.