Durham University is the venue for the beginning of this semi-final round with four of the 12-heat winners trying for a place in the Final.They areALAN ILIFFE, psychologist - English theatre 1950-75SUSAN GRANT, doctor's secretary -The wines of FranceNICHOLAS SPRUYTFNBURG, teacher - The life of Cardinal Wolsey HENRY PANTIN, geologist - Life and works of Berlioz