The Fabulous Elsa - Miss Maxwell with Peter Ward during the full dress rehearsal yesterday.Miss Elsa Maxwell, the Dowager Queen of international high society, was rehearsing in London yesterday for the part she is to play in the charity performance of "The Frog", Edgar Wallace's Thriller, which is to be performed at the Scala Theatre, London, next week with a society studded cast. Princess Margaret is assistant director of the play. May 29, 1954. (Photo by Paul Popper).