image
Radical Behaviorist
American psychologist Burrhus Frederic Skinner, or simply B. F. Skinner, is one of the most influential psychologists of all time. Skinner believed that every thought, emotion, and behavior (basically anything psychological) is shaped by factors in the environment. Using animal chambers known as “Skinner Boxes,” he conducted carefully controlled experiments on animal behavior.
Nina Leen/Time & Life Pictures/Getty Images