Frank Gehry

I'm quite a fan of Frank Gehry - not necessarily his actual buildings, but certainly his design process.

Here's a short but inspirational clip of him at work, folding pieces of card working entirely intuitively:

For those of you who find this kind of thing engaging, try the longer (20min) video interview below, with Gehry as a guest speaker at TED (if you've not come across TED before, take a look - there are some amazing talks available on their site, here).