The University of Leicester is host for the third of this year's semi-finals. Four first-round winners from Darlington, London and Oxford compete. Paul Henderson (Oxfam district organiser) The life and works of Shostakovich Suzannah Harris (pharmacist) The films of Fred Astaire and Ginger Rogers Mike Billson (milkman) The life and times of Manfred von Richthofen, 1892-1918 Heinz Spitz (schoolmaster) British theatre, 1945-1975