The Saturday Quiz answers

1. Groundhog Day.

2. Konrad Adenauer.

3. 'Brewer's Dictionary of Phrase and Fable', the work of Rev Dr Ebenezer Cobham Brewer.

4. A huge dark box at the entrance to Tate Modern.

5. Gulag; the term came to be used to describe the labour camps themselves.

6. Gold Dagger.

7. The co-operative movement.

8. Norman Fowler.

9. 'Orlando' by Virginia Woolf.

10. Climate change.