Question: Walter Iooss is a photographer who has taken images of the boxer who was of what nationality?
Sentence (from "Walter Iooss"): Walter Iooss Jr. ( ; born May 15, 1943 in Temple, Texas) is an American photographer best known for his award-winning images of sports' greatest athletes, including Michael Jordan, Kelly Slater, Tiger Woods, Scottie Pippen, and Muhammad Ali.
Relevant evidence: Yes