Episode 16

The last place in the final of this year's competition is at stake tonight at the Royal Military College of Science at Shrivenham. The contenders are the four highest-scoring losers from the first-round heats. Colin Driver (telephone engineer) Life and work of Thomas Arnold Colin Graham (bus driver) Ships of the Royal Navy 1900-1960 Margaret Harris (dep-head teacher) Postal history and philately of Southern Africa 1853-1960 Ella Thompson (housewife) Life of Mary Tudor