The renowned psychologist associated with the study of behaviorism is B.F. Skinner. Skinner's research focused on the principles of operant conditioning, exploring how behavior is influenced by its consequences. His work emphasized the importance of reinforcement and punishment in shaping behavior and learning. Skinner developed various techniques and devices, such as the Skinner Box, to study behavior scientifically. His contributions have had a lasting impact on psychology, education, and behavior modification therapies.