1. Rockets, aerospace etc

2. a) 2 Weeks in a fortnight
b) 4 Years in an Olympiad
c) 5 lines in a limerick
d) 13 Buns in a bakers dozen

3. Svetlana

4. Piano

5. Carnival, Rio De Janeiro

6. Guess Who’s Coming to Dinner

7. A. 1897

8. The brain

9. B. Gentle way

10. False: (there was one of 26 days and one of 5 days)

HARDER:

11. 1907

12. Commonwealth Scientific Industrial Research Organisation

13. It’s the old postal address of the Eau-de-Cologne factory in the German town of Cologne (Koln) when under French occupation

14. Light Rum, Southern Comfort. Triple Sec, Lemon juice, Dash Bitters

15. All have been official events in at least one Olympics

16. 1959

17. Reagan, Goneril, Cordelia

18. Pete Conrad

19. Beeswax

20. Three months