Clockword

The solutions from 1 to 12 are all six-letter words ending with the letter N in the centre. Moving clockwise from 1, the letters in the outer circle will spell out the name of an astrologer.

1. Fixed allowance 8. Horticultural area 2. Not level 9. Recover 3. Taken illegally 10. At the back 4. Soda dispenser 11. _ Bates, Psycho 5. US inventor character 6. Lake 12. Tropical bird 7. Heavy