1. Ivan Pavlov, Conditioned reflexes and experimental neuroses; 2. Developing habits: clark hull and the hullians; 3. Learning where things are and where events happen; 4. Fear, avoidance and punishment; 5. Comparative psychology: species differences in what animals can learn; 6. Imprinting and constraints on learning; 7. Discrimination learning and attention; 8. B. F. Skinner and the experimental analysis of behavior; 9. How animals learn to associate events.