Wow, this is really cool. I feel the quote on the front page is apt for a lot of us here at HN:

"And somewhere there are engineers helping others fly faster than sound. But, where are the engineers helping those who must live on the ground?"

We live in a world where return on capital and/or time invested is the common measure of success, but someone like this is having untold impact on many people's lives simply by applying their brilliant mind in a less commercially incentivised way.