A new Hampstead Theater regime gets off to a dispiriting start with "The Maths Tutor," a play that would seem an unwelcome throwback even if it weren't designed (by Patrick Connellan) with a severe ...

A play called The Maths Tutor sounds about as enticing as a piece entitled The Traffic Warden or The Emergency Dentist. But don't be put off by the name, for the deeply painful yet obstinately funny ...