The Saturday Quiz answers

1. The panel on the first ever Question Time on BBC1.

2. Woodrow Wilson, Calvin Coolidge, Herbert Hoover, Ronald Reagan.

3. Gaia.

4. Sir Gawain and the Green Knight.

5. Kung Fu.

6. Time and Relative Dimensions in Space.

7. David Cameron in a text to Rebekah Brooks.

8. Gore Vidal.

9. Finland.

10. MPs' expenses.