I have no idea who it is but this sort of stuff is part of what makes collecting fun.
That coat...to paraphrase Al Czervik: "Geez, that's the worst looking coat I've ever seen. You buy a coat like that you oughta get a bowl of soup...but on you it looks good."
My favorite one like this was a cabinet card listed for sale as a boxer's photo with nothing more:
It is lightweight champ and HOFer Benny Leonard in a ca. 1920 mounted photo.