Albert Bandura (born December 4, 1925, in Mundare, Alberta, Canada) is a psychologist and the David Starr Jordan Professor Emeritus of Social Science in Psychology at Stanford University. Over a career spanning almost six decades, Bandura has been responsible for groundbreaking contributions to many fields of psychology, including social cognitive theory, therapy and personality psychology, and was also influential in the transition between behaviorism and cognitive psychology. He is known as the originator of social learning theory and the theory of self-efficacy, and is also responsible for the influential 1961 Bobo Doll experiment.
A 2002 survey ranked Bandura as the fourth most-frequently cited psychologist of all time, behind B.F. Skinner, Sigmund Freud, and Jean Piaget, and as the most cited living one. Bandura is widely described as the greatest living psychologist,and as one of the most influential psychologists of all time. In 2008 Bandura won the Grawemeyer Award in Psychology.