JOHN RUSSELL BROWN is visiting Professor of Theatre at Middlesex University, UK, and was formerly an Associate Director of the Royal National Theatre. He has published widely on Shakespeare, including Shakespeare: The Tragedies and editions of numerous plays. He has directed Hamlet, King Lear, Macbeth and other tragedies, some of them several times.

A.C. BRADLEY was Professor of Poetry at the University of Oxford until his death in 1935.