Following up on the "HOPE" poster mystery, Tom Gralish has uncovered the original photograph and the photographer—it's Mannie Garcia, a Washington D.C. freelancer who was working as a stringer for the Associated Press. (A variant from the same shoot, above.) The picture was taken in April of 2006 at a function at the National Press Club where actor George Clooney was attempting to draw attention to the situation in Darfur.
Tom's following through with Mannie, which I'll be watching for on Tom's blog.
(Thanks to Carrie)