Overview: Cranfield technical university provides an ideal setting for one of tonight's specialised subjects - History of Aviation. Cranfield has its own airfield and has long-standing associations with the RAF. The contenders are: FELICITY MORRISEY, musician, life and works of Ludwig van Beethoven KEITH BOGLE, librarian, Greek mythology ROBERT GLEESON, bookseller, Westminster Abbey KEITH BLAKE, Fire Brigade Administrator, history of aviation