B. F. Skinner
publication date: Thursday, July 19, 2007 (part of Round XXX)
clue: If the site tells you "Congratulations! Your guess was correct," you're only going to want to guess another goo.
explanation: Skinner developed operant conditioning, a model of psychology in which behavior (such as guessing goos) is reinforced through a reward or positive outcome (such as congratulations). more…