CLOCK WORD
The solutions from 1 to 12 are all six-letter words ending with the letter R in the centre. Moving clockwise from 1, the letters in the outer circle will spell out the name of a British playwright.
1. Trojan hero
2. Reply
3. Clergyman
4. Public speaker
5. Timber
6. Smart
7. Condiment
8. Weaken
9. Gossip
10. Merchant
11. Rubber
12. Steering board