Jean Piaget

10

B. F. Skinner

11

Hans Eysenck

9

William James

8

Sigmund Freud

7

Daniel Kahneman

6

Wilhelm Wundt

6

Philip Zimbardo

4

Carl Jung

5

Stanley Milgram

3

Henri Tajfel

4

Raymond Cattell

2

Adrian Furnham

2

Albert Bandura

2

William James

2

Martin Seligman

2

Gordon Allport

2

David Buss

2

The most neglected psychologist

(Nothing conclusive―each name had one vote)