Geoffrey Whitworth was praised by what Irish playwright who wrote more than sixty plays, including "Man and Superman"?
Geoffrey Whitworth:  Though not an actor, he was praised by George Bernard Shaw as one of the most important figures in the history of British theatre. George Bernard Shaw: George Bernard Shaw ( ; 26 July 1856 – 2 November 1950), known at his insistence simply as Bernard Shaw, was an Irish playwright, critic and polemicist whose influence on Western theatre, culture and politics extended from the 1880s to his death and beyond.
i don't know