Some of the picks reek of political correctness, but the overall theme is great.
George Washingtn gets the #1 slot because he went on to be the indespensible leader for founding the greatest nation-state on earth. Napoleon was a better general, but his work was not as decisive historically in the long run.
I forget which Frenchman it was who said, that if Washington stepped down after finishing his term as President, he would be the greatest man in the world. He did, and he was.