Paul Sills the master of improvisation and found of The Second City and creator of Story Theatre a and who has influenced some of theatre's most important directors writers and actors a adapts for stage one of the classic works of literature Charles Dickens' masterpiece EA Christmas Carol.ETHIncluded as well are some of the exercises devised for Story Theater by Viola Spolin renowned for her work with games and improvisation and whose best-selling text has become the definitive guide to improvisational practice.