Plot: There are four places available in the final of Mastermind for the contestants who win through the semi-final round. One place has already been taken and in tonight's visit to Leeds University the second place will be filled after a keenly fought contest between ROBERT GLEESON, bookseller, London city churches MICHAEL GLOVER, author, Sir Robert Wilson DAVID LEES, schoolmaster (retired), Classical mythology RAY WARD, graduate, Librarianship