Founded 1892, present membership over 150,000.
| Name | Occupation | Birth | Death | Known for |
| Gordon W. Allport |
Psychologist |
11-Nov-1897 |
9-Oct-1967 |
Personality: A Psychological Interpretation |
| Dan Ariely |
Economist |
29-Apr-1968 |
|
The Upside of Irrationality |
| Albert Bandura |
Psychologist |
4-Dec-1925 |
|
Bobo doll experiments |
| Bruno Bettelheim |
Psychologist |
28-Aug-1903 |
13-Mar-1990 |
Fraudulent child psychologist |
| Edwin G. Boring |
Psychologist |
23-Oct-1886 |
1-Jul-1968 |
A History of Experimental Psychology |
| Robert H. Bruininks |
Educator |
22-Feb-1942 |
|
President, University of Minnesota |
| James McKeen Cattell |
Psychologist |
24-May-1860 |
20-Jan-1944 |
Academic freedom |
| Robert Cialdini |
Psychologist |
27-Apr-1945 |
|
Influence |
| Kenneth B. Clark |
Psychologist |
14-Jul-1914 |
1-May-2005 |
Studied the effects of prejudice on children |
| Albert Ellis |
Psychologist |
27-Sep-1913 |
24-Jul-2007 |
Rational emotive behavior therapy |
| Harry Harlow |
Psychologist |
31-Oct-1905 |
6-Dec-1981 |
Comparative psychologist, studied isolation |
| Lawrence Kohlberg |
Psychologist |
25-Oct-1927 |
17-Jan-1987 |
Stages of moral development |
| Lester A. Lefton |
Educator |
c. 1947 |
|
President, Kent State University |
| Carl Rogers |
Psychologist |
8-Jan-1902 |
4-Feb-1987 |
Non-directive theory of psychology |
| Lewis Terman |
Psychologist |
15-Jan-1877 |
21-Dec-1956 |
Intelligence tests |
| Edward Titchener |
Psychologist |
11-Jan-1867 |
3-Aug-1927 |
Structural psychology |
| Margaret Floy Washburn |
Psychologist |
25-Jul-1871 |
29-Oct-1939 |
First female American psychologist |
| John Watson |
Psychologist |
9-Jan-1878 |
25-Sep-1958 |
Founder of Behaviorism |
| Jerry Wind |
Educator |
c. 1939 |
|
Director, SEI Center, Wharton |