GETTING SUBJECTS TO POSE FOR PHOTOGRAPHS IS always a tough job. But award- winning photographer James Balog had a special problem in shooting the pictures for this week's cover story on animal intelligence. He had to coax a fidgety seven-year-old chimpanzee named Sally to sit motionless in the pose of Auguste Rodin's classic bronze sculpture The Thinker. Why The Thinker? Because, explains Balog, "it makes such a strong, symbolic statement of consciousness, awareness and studied thought."
At first the assignment sounded like an art director's impossible dream. Yet the task turned out to be relatively easy, recalls Balog, who conducted the...