I was 19, my second semester in college, when I started programming. Incidentally, I've heard from at least 3 other successful women programmers that they start

I was 19, my second semester in college, when I started programming. Incidentally, I've heard from at least 3 other successful women programmers that they started in college as well. (I'm defining "successful" as "speaks at conferences, generally well known and respected in their fields").