http://math.fau.edu/yiu/Oldwebsites/MPS2010/TerenceTao1984.p...
My favorite part is when he was asked, at age 8 minus epsilon, whether addition distributes over multiplication (after having established that multiplication distributing over addition is an example of a distributive law), and he said, "only for Boolean algebras."
(Disclosure: I was also a child prodigy, so much of this story resonated with me. I'm now a research software engineer at Google, working on lots of mathematically intensive topics in 2D graphics, but obviously nowhere nearly as accomplished as Prof Tao)