CNN) — He smiles. He stares. He sits without apparent expression. Who is he? That’s the question historians are trying to answer after a collection surfaced of some 450 photo booth portraits, taken of the same man over what appears to be decades. No one knows who he is or why he made, and kept, the photographs. The photographs are being shown as part of “Striking Resemblance: The Changing Art of Portraiture”at Zimmerli Art Museum at Rutgers University. “Not knowing is very mysterious. It’s like an abstract painting. You’re going to fill in the blanks yourself. You bring to it what you know, and if we don’t know anything, we sort of make up a story,” said Donald Lokuta, a photography historian and owner of the collection. (Read the rest of the article)