Sorry for the lack of posts. It was a busy day. I thought I'd deviate a bit and put up some off-topic stuff before getting back to business -- it is Saturday night after all.
Here are a couple of amazing people from this page.
Daniel Paul Tammet can "see" numbers in his head as shapes and colors. He says Pi looks very beautiful.:
Ben Underwood is blind. He can ride a bike. He clicks and "sees" with his hearing, like a dolphin: