Well, not really. But kind of. I read about this in the local newspaper the other day, thought you guys would find it interesting. At the time of the article I read, they didn't know anything about the guy other than a few of his own fleeting memories, but he has since been identified.
http://news.yahoo.com/s/ap/20090821/ap_on_re_us/us_mystery_man
http://news.yahoo.com/s/ap/20090821/ap_on_re_us/us_mystery_man