B. F. Skinner

Burrhus Frederic (B. F.) Skinner (March 20, 1904 – August 18, 1990) was an American psychologist, behaviorist, author, inventor, and social philosopher. He was the Edgar Pierce Professor of Psychology at Harvard University from 1958 until his retirement in 1974.Skinner invented the operant conditioning chamber, also known as the Skinner Box.