The Preservation Man, with Professor Bruce Lacey, A.R.C.A. actor, theatrical property-maker, and collector of the past, from stuffed camels to Victorian families, from Victrola voices to rejected vacuum cleaners. In the studio: Michael Tippett on Music in the Theatre. His new opera "King Priam" has its world premiere at the Coventry Festival on May 29 Vincent Van Gogh Featuring a short film narrated by Cecil Day-Lewis. Using the text of Vincent Van Gogh's own letters, the programme explores the artist's life.