Anti-, Auto- and Post-

2. Right after birth.
5. A signature that usually comes from a celebrity.
9. An adjective to describe nouns which are colourless or incredibly clean, like a crystal-clean pond.
12. A system of government or others with all the power, like Roman emperors with the power of Rome.
14. Additional, after the signature on a text, usually starting at the P.S.
15. A remedy that that cures a particular virus or sickness.

1. Save till later.
3. The ruler with all the power, like the Roman emperor Julius Caesar in his time as the emperor.
4. A life story about the life of the person writing it.
6. Occurring after death.
7. The opposite route the the direction a clock's hands move.
8. Contrary to the laws of the society, which causes annoyance in others.
10. An adjective that describes processes and devices that can work by itself, without a human.
11. Make a date later than the one at the moment.
13. A substance that causes the body to make a immune response, like viruses and other substances that do not come from the body.