The Politico 50 "Our guide to the thinkers, doers and visionaries transforming American politics in 2016."
http://www.politico.com/magazine/politico50/2016
See them all. I'm sure one won't agree with the summary in full; but some might on some of the picks.
It's probably like picking the 50 best rock and roll songs of all time. Best guitarist, etc.
