Theodore Roosevelt's lasting legacy as a President is perhaps what he did to preserve and protect the extraordinary wilderness of America for posterity. The role he played in bringing to an end the war between Russia and Japan is open to interpreations. It may have indirectly led to Pearl Harbor.
Woodrow Wilson's exertions in forming the League of Nations are known. However, the eventual outcome of that endeavor might have been war rather than peace.
Nobody can argue with the true greatness of some of the other winners: King or Mandela. Gandhi of course remains a jarring omission from that roster of winners.
But overall, if one thinks of all the winners over more than one hundred years, does the list comprise of mostly great men and women with a few ordinary folks, or is the list mostly populated by ordinary people and even some very controversial winners such as Henry Kissinger?
In a hundred years from now, Obama would become a footnote in the story of human civilization and we would all be long since forgotten ...