Buckles, who served as a U.S. Army ambulance driver in Europe during what became known as the “Great War,” rose to the rank of corporal before the war ended. He came to prominence in recent years, in part because of the work of DeJonge, a Michigan portrait photographer who had undertaken a project to document the last surviving veterans of that war.
via Last U.S. World War I veteran dies – CNN.com.
Plus he was held by the Japanese for three years during WWII. That’s one heck of a tough guy.