Should the man on the Clapham omnibus ever turn his mind to ballet, he is bound to envisage the work of Marius Petipa. The  ballerina holding an arabesque on pointe shoes was his creation, as were The Sleeping Beauty, La Bayadère, Don Quixote, most of Swan Lake, the concept of The Nutcracker and aspects of La Sylphide, Giselle and Coppélia — this being merely the cream of a vast oeuvre dreamed up over the half century he spent based in St Petersburg.