As a budding high school software developer, I made money constructing hypercard stacks for small organizations: stuff like library databases, customer records, and the like.

The posting is kind but a little misleading: I didn't invent Mersenne Twister. I just wrote the fastest Java implementation, built on top of early code by Michael Lecuyer. It's fairly widely used, I suppose. Mersenne Twister proper (MT19937) was the creation of Makoto Matsumoto and Takuji Nishimura. Feel free to ask any questions. (I can't say anything to the Shakespeare project, which sounds fun).