If you could make any person president

Of the US, living or dead who would you pick? Let's assume if they are dead they'd have a couple years to catch up with the modern world.

I vote Thomas Jefferson.

Milton Friedman for President.
Almost all socialist countries failed hard so far and caused a lot of suffering.
Damn, we would be colonizing the Mars right now if so many people weren't such idiots and ruined their economy.