He must have been some guy. He enlisted at 16, by lying about his age. He served in France, although behind the lines. He came to Washington for the 90th anniversary of Armistice Day, November 11, 2008, to be at a ceremony at Arlington National Cemetery. He was back in Washington a year later--he must have been 108--to testify before Congress on a proposal to designate a National WWI Memorial on the National Mall.
Oh, and he also survived being a POW in the Philippines during WWII.