Researching,using books- On Noel Coward

According to the book "Movie Guide 1993"  Noel coward is a play writer. He written the play "Blithe Spirit".

Blithe Spirit is a comedy fantasy back in 1945.  It is about a man who's long dead first wife comes back and haunts him. This play won an Oscar for the special effect of the spiritual medium, Madame Arcati, though Rutherford was also wonderful.