scoleman - the best advice anyone can give you is to forget him or her. I know you don't want to hear this, but he/she might not want to be in contact with you. It sounds like you have other problems in your life, and you've focussed on this because you're lonely. What happens if you track this person down, and you get rejected, or find that the other person can't be bothered staying in touch with you? At fifteen you should have lots of other friends, and if you don't have them at school, then you need to identify what your interests are, find a club or a night-class for people with similar interests, and join that. This all sounds very harsh, but at the moment you're heading towards being hurt. You need to protect yourself, not set yourself up for being rejected.