Lisp

I'm new to programming, and I've been learning Python and Fortran, the latter because it's part of my mathematics degree. I want to learn Lisp because it supposedly makes you a better programmer. Which dialect should I learn?

>>32
Yup. We're still waiting for >>27 to produce some code. Oh wait, it ain't gonna happen because all this idiot knows how to do is argue with people who are smarter than it!