Tom Hooper

After my grandfather's plane took enemy fire, he was denied permission to land at the first available airstrip. In that classic British bureaucratic way, they said he had to go back to your own airbase in the Midlands. They crashed between the coast and the airfield.

Supplying fuel for a Mars expedition from the lunar surface is often suggested, but it's hard to make it pay off - Moon bases are expensive, and just buying more rockets to launch fuel from Earth is relatively cheap.

As a kid, I always idolized entrepreneurs. I thought they were cool people in the way that I thought basketball players were cool people. It's cool that some people get paid to dunk basketballs, but I'm not one of those people.