** FILE ** Dr. John A. Wheeler, right, of Princeton University, is greeted by Prof. Yazaki, of Uamanashi University near Tokyo, as he arrives in Japan, September 7, 1953, for the start of the International Physics Conference. Wheeler, who had a key role in the development of the atom bomb and later gave the space phenomenon black holes their name, died Sunday April 13, 2006 at 96. (AP Photo)