An interesting and insightful read on the professor JK fashioned Snape after.

[celestialbeing1]

This is old so I'm sure it's been read before, but for those who've not read it, read it and couldn't find it, or whatever the case, it's still amazing.

http://members.madasafish.com/~cj_whitehound/Fanfic/A_true_original.htm