born Jan. 8, 1902, Oak Park, Ill., U.S.
died Feb. 4, 1987, La Jolla, Calif.
U.S. psychologist.
He trained at Teachers College, Columbia University (Ph.D., 1931), and directed a children's agency in New York before taking teaching positions at various universities. In 1963 he helped found an institute for the study of the person in La Jolla, Calif. He is known as the originator of client-centred, or nondirective, psychotherapy , and he helped establish humanistic psychology . His writings include Counseling and Psychotherapy (1942), Client-Centered Therapy (1951), Psychotherapy and Personality Change (1954), and On Becoming a Person (1961).