Explore psychologists

Cognitive therapist who linked depression and anxiety to schemas, appraisals, and automatic thoughts.

Abraham Maslow

1908-1970

Humanistic theorist of needs, self-actualization, and peak experience.

Albert Bandura

1925-2021

Social learning theorist of modeling, self-efficacy, and reciprocal determinism.

Albert Ellis

1913-2007

REBT founder who targeted rigid demands, catastrophizing, and self-defeating belief systems.

Alexander Luria

1902-1977

Neuropsychologist who studied functional systems, brain injury, language, and rehabilitation.

Alfred Adler

1870-1937

Individual psychologist who framed distress through inferiority, striving, style of life, and social interest.

Alfred Binet

1857-1911

French psychologist who developed early intelligence testing for educational identification.

Allan Paivio

1925-2016

Cognitive psychologist known for dual-coding theory and the role of imagery in memory and language.

Amos Tversky

1937-1996

Cognitive psychologist who co-developed research on heuristics, framing, and decision making under uncertainty.

Andre Green

1927-2012

French psychoanalyst known for the dead mother complex, negativity, and severe non-neurotic states.

Anna Freud

1895-1982

Ego psychologist who clarified defenses, child analysis, and the observing functions of mind.

Anne Anastasi

1908-2001

Measurement expert who emphasized test construction, interpretation, and the interaction of person and environment.

Anne Treisman

1935-2018

Cognitive psychologist known for feature integration theory and influential research on attention and perception.

Arnold Gesell

1880-1961

Developmental pioneer known for maturational theory and systematic observation of child development.

Arnold Lazarus

1932-2013

Behavior therapist who developed multimodal therapy and helped broaden behavior therapy into integrative practice.

Arthur Benton

1909-2006

Clinical neuropsychologist known for assessment of higher cortical functions and aphasia-related deficits.

B.F. Skinner

1904-1990

Radical behaviorist who explained behavior through reinforcement, contingencies, and environmental design.

Bibb Latane

1937-2021

Social psychologist known for the bystander effect, diffusion of responsibility, and social impact theory.

Bluma Zeigarnik

1900-1988

Gestalt psychologist known for the Zeigarnik effect and research on unfinished tasks and memory.

Carl Abraham

1875-1925

Early analyst of libidinal stages, melancholia, and the developmental roots of later pathology.

Carl Jung

1875-1961

Architect of analytic psychology, interpreting psyche through archetypes, individuation, and symbolic life.

Carl Rogers

1902-1987

Person-centered psychologist who emphasized empathy, congruence, and the drive toward growth.

Carl Stumpf

1848-1936

Foundational experimental psychologist of perception and sound who helped mentor later Gestalt thinkers.

Carl Whitaker

1912-1995

Experiential family therapist who prized spontaneity, symbolism, and emotional engagement.

Charles Spearman

1863-1945

Factor analyst best known for proposing general intelligence and correlational methods.

Charlotte Bühler

1893-1974

Developmental and humanistic psychologist who studied life goals, values, and fulfillment across the lifespan.

Clara Thompson

1893-1958

Neo-Freudian psychiatrist who emphasized culture, gender, and interpersonal context in emotional life.

Clark Hull

1884-1952

Neo-behaviorist who modeled learning through drive reduction and formal theory building.

Clark Moustakas

1923-2012

Humanistic psychologist known for relationship-centered therapy, loneliness, and heuristic inquiry.

Daniel Kahneman

1934-2024

Cognitive psychologist who studied heuristics, bias, judgment under uncertainty, and prospect theory.

Daniel Stern

1934-2012

Developmental clinician known for infant research, the interpersonal world of the infant, and emergent selfhood.

David McClelland

1917-1998

Psychologist known for achievement motivation, needs theory, and motive assessment.

David Wechsler

1896-1981

Psychometrician who developed the Wechsler intelligence scales and broadened clinical assessment practice.

Diana Baumrind

1927-2018

Developmental psychologist known for parenting styles and their links to child outcomes.

Don D. Jackson

1920-1968

Family therapy pioneer associated with family homeostasis, conjoint therapy, and the Mental Research Institute.

Donald Broadbent

1926-1993

Cognitive psychologist who developed an influential early filter model of attention and information processing.

Donald Hebb

1904-1985

Neuropsychologist whose cell assembly theory linked neural plasticity with learning.

Donald Meltzer

1922-2004

Post-Kleinian psychoanalyst known for work on autism, aesthetic conflict, and complex inner object relations.

Donald Stuss

1941-2019

Neuropsychologist known for frontal lobe, executive function, and attention research.

Donald Super

1910-1994

Clinical & Counseling

Career-development theorist who framed vocational choice as a lifelong process of self-concept development.

Donald Winnicott

1896-1971

Pediatrician and analyst of holding, transitional phenomena, and the true and false self.

Edith Jacobson

1897-1978

Psychoanalyst known for work on depression, self and object representations, and severe personality pathology.

Edith Kaplan

1924-2009

Neuropsychologist known for the Boston Process Approach to assessment and interpretation of cognitive errors.

Edward C. Tolman

1886-1959

Behaviorist who argued that purposive action and cognitive maps matter for learning.

Edward Thorndike

1874-1949

Connectionist who formulated the law of effect and early experimental learning theory.

Edward Titchener

1867-1927

Structuralist psychologist who used trained introspection to analyze the contents of conscious experience.

Eleanor Gibson

1910-2002

Perceptual-development researcher known for the visual cliff and ecological learning.

Endel Tulving

1927-2023

Memory researcher who distinguished episodic and semantic memory and transformed the study of retrieval.

Eric Berne

1910-1970

Psychiatrist and therapist who created transactional analysis and popularized ego states, games, and scripts.

Erich Fromm

1900-1980

Social psychoanalyst who linked freedom, character, love, and alienation in modern society.

Erik Erikson

1902-1994

Ego psychologist of identity and psychosocial development across the lifespan.

Ernest Jones

1879-1958

Psychoanalyst and Freud biographer who helped institutionalize psychoanalysis in the English-speaking world.

Ernst Weber

1795-1878

Sensory physiologist whose work on just-noticeable differences became foundational for psychophysics.

Esther Thelen

1941-2004

Developmental psychologist known for dynamic systems theory and infant motor development.

Eugene Gendlin

1926-2017

Experiential thinker who developed Focusing and emphasized the felt sense as a guide to change.

Floyd Allport

1890-1979

Early experimental social psychologist often credited with helping establish social psychology as a modern science.

Francine Shapiro

1948-2019

Psychologist who developed EMDR and popularized trauma treatment centered on reprocessing distressing memories.

Francis Galton

1822-1911

Early measurement pioneer whose work on heredity and statistics strongly influenced differential psychology.

Franz Alexander

1891-1964

Psychoanalyst known for brief dynamic treatment, psychosomatic medicine, and the corrective emotional experience.

Franz Brentano

1838-1917

Philosopher-psychologist whose act psychology and theory of intentionality strongly shaped later psychology.

Frederic Bartlett

1886-1969

Memory theorist who showed remembering is reconstructive and shaped by schemas.

Fritz Heider

1896-1988

Attribution theorist who studied common-sense explanations, balance, and perceived causality.

Fritz Perls

1893-1970

Gestalt therapist who emphasized awareness, unfinished business, contact, and the here-and-now.

G. Stanley Hall

1844-1924

Early developmental psychologist who helped institutionalize American psychology and child study.

Georg Elias Müller

1850-1934

Early experimental psychologist who made major contributions to memory, psychophysics, and sensory research.

George A. Miller

1920-2012

Cognitive psychologist of information processing, language, and the limits of immediate memory.

George Kelly

1905-1967

Personal construct theorist who treated people as active interpreters and hypothesis-makers.

Gordon Allport

1897-1967

Personality theorist who emphasized traits, proprium, maturity, and the uniqueness of the person.

Gregory Bateson

1904-1980

Cybernetic and systems thinker whose ideas deeply influenced communication theory and family therapy.

Gustav Fechner

1801-1887

Psychophysicist who made sensation measurable and helped turn psychology toward quantitative experiment.

Hans Eysenck

1916-1997

Differential psychologist known for dimensional models of personality and biologically inflected trait theory.

Hans W. Loewald

1906-1993

Psychoanalyst known for influential work on internalization, ego development, and the therapeutic action of analysis.

Harold Kelley

1921-2003

Social psychologist known for attribution theory, covariation logic, and close-relationship research.

Harry Harlow

1905-1981

Attachment researcher known for studies of contact comfort, maternal deprivation, and social development in primates.

Harry Stack Sullivan

1892-1949

Interpersonal theorist who located personality and anxiety within recurrent patterns of relating.

Heinz Hartmann

1894-1970

Ego psychologist who emphasized adaptation, ego functions, and conflict-free capacities within psychoanalytic theory.

Heinz Kohut

1913-1981

Self psychologist who centered narcissistic development, mirroring, and empathic failures.

Helene Deutsch

1884-1982

Psychoanalyst who wrote influential and contested accounts of femininity, motherhood, and development.

Henri Tajfel

1919-1982

Social identity theorist who explained bias through categorization, comparison, and group belonging.

Henri Wallon

1879-1962

French developmental theorist who emphasized emotion, movement, and the social formation of the child.

Herbert Simon

1916-2001

Cognitive scientist of bounded rationality, problem solving, and information processing.

Hermann Ebbinghaus

1850-1909

Experimental psychologist who mapped forgetting, rehearsal, and the quantitative study of memory.

Hermann Rorschach

1884-1922

Swiss psychiatrist associated with the inkblot method and the study of perception, fantasy, and personality style.

Hugo Munsterberg

1863-1916

Early applied psychologist who linked laboratory methods to law, work, education, and everyday practical problems.

Ignacio Martin-Baro

1942-1989

Liberation psychologist who argued psychology must be rebuilt from the standpoint of oppressed communities.

Insoo Kim Berg

1934-2007

Solution-focused therapist who emphasized client strengths, exceptions, and collaborative brief change.

Irving Janis

1918-1990

Social psychologist best known for groupthink and for studying decision making under stress.

Isaac Marks

1929-2012

Clinician-researcher known for phobias, agoraphobia, and exposure-based treatment.

Isadore From

1918-2005

Early Gestalt therapist and teacher central to the New York lineage of classical Gestalt practice.

Ivan Boszormenyi-Nagy

1920-2007

Family therapist known for contextual therapy, loyalty, fairness, and intergenerational accounting.

Ivan Pavlov

1849-1936

Physiologist whose conditioning experiments shaped later learning theory and behaviorism.

J. C. McKinley

1891-1950

Psychiatrist and test developer who co-created the MMPI and shaped empirical personality assessment.

Jacques Lacan

1901-1981

French psychoanalyst who reworked Freud through language, desire, the symbolic order, and the divided subject.

James Bugental

1915-2008

Existential-humanistic therapist who emphasized presence, aliveness, and choice in encounter.

James Hillman

1926-2011

Depth psychologist who founded archetypal psychology and emphasized imagination, soul, and symbolic life.

James J. Gibson

1904-1979

Ecological psychologist who argued perception is direct and organized around affordances in the environment.

James Mark Baldwin

1861-1934

Early developmental and functional thinker known for work on imitation, adaptation, and the social self.

James McKeen Cattell

1860-1944

Early measurement advocate who promoted mental testing and the professionalization of psychology.

James Rowland Angell

1869-1949

American functionalist who helped consolidate psychology around adaptation, action, and mental operations.

Jay Haley

1923-2007

Strategic therapist focused on hierarchy, power, directives, and stuck family sequences.

Jean Laplanche

1924-2012

French psychoanalyst known for re-reading Freud through seduction theory, translation, and enigmatic messages.

Jean Piaget

1896-1980

Developmental theorist of cognitive stages, construction, and the growth of logical structures.

Jerome Bruner

1915-2016

Cognitive and educational psychologist who emphasized representation, narrative, and discovery learning.

Jerome Kagan

1929-2021

Developmental psychologist known for work on temperament, inhibition, and emotional development across childhood.

John B. Carroll

1916-2003

Psychometrician known for the three-stratum theory of cognitive abilities.

John B. Watson

1878-1958

Behaviorist manifesto writer who insisted psychology focus on prediction and control of behavior.

John Bowlby

1907-1990

Attachment theorist who explained security, separation, and internal working models in close relationships.

John Darley

1938-2018

Social psychologist known for bystander intervention research, helping behavior, and moral action in context.

John Dewey

1859-1952

Pragmatist philosopher-psychologist who linked mind, habit, education, and democratic life.

John Exner

1928-2006

Assessment psychologist who created the Comprehensive System for the Rorschach and standardized projective interpretation.

John Garcia

1917-2012

Learning theorist who demonstrated taste-aversion learning and challenged simple equipotential accounts of conditioning.

John Holland

1919-2008

Clinical & Counseling

Vocational psychologist known for RIASEC person-environment fit theory in career choice.

John L. Horn

1928-2006

Psychometrician who extended fluid and crystallized intelligence theory into a broader model of abilities.

John Raven

1902-1970

Psychometrician known for Raven's Progressive Matrices and nonverbal assessment of reasoning ability.

John Turner

1947-2011

Social psychologist known for self-categorization theory and later developments of social identity research.

John W. Thibaut

1917-1986

Social psychologist known for interdependence theory, procedural justice, and close work on social exchange.

Joseph Breuer

1842-1925

Physician whose work with hysteria helped launch psychoanalytic thinking about symptom meaning.

Joseph Wolpe

1915-1997

Behavior therapist who developed systematic desensitization for fear and avoidance.

Joy Paul Guilford

1897-1987

Psychometrician known for the structure-of-intellect model and studies of creativity.

Julian Rotter

1916-2014

Social learning theorist known for expectancy, reinforcement value, and locus of control.

Karen Horney

1885-1952

Neo-Freudian thinker who explained neurosis through anxiety, self-idealization, and disturbed relationships.

Karl Duncker

1903-1940

Gestalt researcher known for problem solving, insight, and the concept of functional fixedness.

Karl Lashley

1890-1958

Neuropsychologist who searched for the engram and emphasized distributed brain organization in learning.

Karl Pribram

1919-2015

Neuropsychologist known for research on frontal lobes, memory, and integrative theories of brain organization.

Kenneth B. Clark

1914-2005

Social psychologist whose research examined racism, self-concept, and segregation's developmental harms.

Kenneth Spence

1907-1967

Learning theorist who developed neo-behaviorist accounts of drive, discrimination, and habit strength.

Konrad Lorenz

1903-1989

Ethologist whose work on imprinting influenced developmental psychology and attachment theory.

Kurt Goldstein

1878-1965

Holistic neurologist who emphasized organismic functioning and adaptation after injury.

Kurt Koffka

1886-1941

Gestalt psychologist who extended holistic theory into development and perception.

Kurt Lewin

1890-1947

Field theorist who explained behavior through person-environment dynamics and group process.

L. L. Thurstone

1887-1955

Psychometrician who argued intelligence is multidimensional rather than a single factor alone.

Laura Perls

1905-1990

Co-founder of Gestalt therapy who stressed support, embodiment, and contact as lived process.

Lawrence Kohlberg

1927-1987

Developmental psychologist known for stage theory of moral reasoning.

Lee Cronbach

1916-2001

Measurement theorist known for reliability, validation, and efforts to bridge experimental and correlational psychology.

Leon Festinger

1919-1989

Social psychologist known for cognitive dissonance and social comparison theory.

Leta Stetter Hollingworth

1886-1939

Psychologist of giftedness, sex differences, and educational development who challenged sexist assumptions.

Lev Vygotsky

1896-1934

Developmental theorist who explained thought through language, mediation, and social learning.

Lewis Terman

1877-1956

American intelligence tester known for the Stanford-Binet and giftedness research.

Lightner Witmer

1867-1956

Clinical & Counseling

Founder of clinical psychology who applied psychological assessment to education and child guidance.

Ludwig Binswanger

1881-1966

Phenomenological psychiatrist who interpreted suffering through lived world and modes of being-in-the-world.

Mamie Phipps Clark

1917-1983

Developmental psychologist whose studies on racial identity revealed the psychological impact of segregation.

Mara Selvini Palazzoli

1916-1999

Milan-school family therapist known for circular questioning and systemic interpretations of family games.

Margaret Floy Washburn

1871-1939

Comparative psychologist who linked animal behavior, consciousness, and motor theory.

Margaret Mahler

1897-1985

Developmental psychoanalyst known for separation-individuation and the emergence of self-other boundaries.

Marie-Louise von Franz

1915-1998

Jungian analyst known for fairy tales, alchemy, symbolism, and the amplification of archetypal motifs.

Mary Ainsworth

1913-1999

Attachment researcher who identified patterns of infant security and caregiver responsiveness.

Mary Cover Jones

1897-1987

Early behavior therapist known for counterconditioning fears in children.

Mary Main

1943-2023

Attachment researcher known for the Adult Attachment Interview and the concept of disorganized attachment.

Mary Whiton Calkins

1863-1930

Pioneer psychologist and philosopher who advanced self-psychology and challenged exclusion in the field.

Max Wertheimer

1880-1943

Founder of Gestalt psychology who argued perception and thought are organized wholes.

Medard Boss

1903-1990

Daseinsanalytic psychiatrist who treated symptoms as disturbances in openness to the world.

Melanie Klein

1882-1960

Object-relations theorist who centered primitive anxiety, phantasy, splitting, and early internal worlds.

Michael Balint

1896-1970

Psychoanalyst known for Balint groups, basic fault theory, and emotionally attuned clinical listening.

Michael White

1948-2008

Narrative therapist known for externalizing conversations, re-authoring, and socially situated identity work.

Mihaly Csikszentmihalyi

1934-2021

Psychologist known for flow, optimal experience, creativity, and intrinsic motivation.

Milton Erickson

1901-1980

Psychotherapist known for hypnosis, indirect suggestion, and highly tailored strategic interventions.

Morton Deutsch

1920-2017

Social psychologist known for conflict, cooperation, competition, and conflict resolution.

Muriel Lezak

1928-2021

Clinical neuropsychologist whose work standardized modern neuropsychological assessment.

Murray Bowen

1913-1990

Family systems theorist of differentiation, triangles, and multigenerational patterns.

Muzafer Sherif

1906-1988

Social psychologist of norms, group conflict, and superordinate goals.

Natalie Rogers

1928-2015

Person-centered therapist who extended Rogersian therapy into expressive arts and creative transformation.

Nathan Ackerman

1908-1971

Family therapy pioneer who brought psychoanalytic sensitivity into direct work with whole family systems.

Neal Miller

1909-2002

Learning theorist who connected drive, conflict, motivation, and experimental behavior research.

O. Hobart Mowrer

1907-1982

Learning theorist known for the two-factor theory of avoidance and fear.

Oswald Külpe

1862-1915

Wurzburg school experimentalist who broadened introspective research to thought and problem solving.

Otto Rank

1884-1939

Psychoanalytic dissenter who emphasized creativity, will, separation, and the trauma of birth.

Paul Goodman

1911-1972

Writer and therapist who co-authored Gestalt Therapy and helped shape its philosophical and clinical language.

Paul Meehl

1920-2003

Psychometrician and clinical theorist known for construct validity and statistical prediction in assessment.

Paul Watzlawick

1921-2007

Systems theorist of communication, paradox, and problem-maintaining interaction patterns.

Peggy Papp

1929-2018

Family therapist associated with strategic and structural traditions, symptom prescription, and family life cycle work.

Peter Lewinsohn

1930-2007

Clinical psychologist known for behavioral models of depression and activation-based treatment approaches.

Philip Zimbardo

1933-2024

Social psychologist associated with role, deindividuation, and the powerful effects of situation and institutional setting.

Pierre Janet

1859-1947

Foundational psychologist of dissociation, trauma, and subconscious fixed ideas.

R. D. Laing

1927-1989

Existentially oriented psychiatrist known for work on divided selfhood, family context, and psychosis.

Ralph Reitan

1922-2014

Clinical neuropsychologist associated with the Halstead-Reitan battery and standardized brain-behavior assessment.

Raymond Cattell

1905-1998

Psychometrician and personality theorist known for fluid and crystallized intelligence and multivariate trait analysis.

Rene Spitz

1887-1974

Psychoanalytic developmental observer known for studies of infant deprivation, hospitalism, and early attachment.

Rensis Likert

1903-1981

Survey researcher whose Likert scale became foundational for psychological measurement and attitude assessment.

Richard Lazarus

1922-2002

Emotion and stress theorist who framed appraisal as central to coping and psychological adaptation.

Robert Rosenthal

1933-2024

Social psychologist known for expectancy effects, experimenter bias, and the Pygmalion effect.

Robert S. Woodworth

1869-1962

Experimental psychologist known for dynamic psychology and the organism-centered S-O-R model.

Robert Yerkes

1876-1956

Psychologist known for intelligence testing, comparative psychology, and large-scale assessment programs.

Roger Sperry

1913-1994

Neuropsychologist known for split-brain research and work on hemispheric specialization.

Rollo May

1909-1994

Existential psychologist who explored anxiety, courage, freedom, and the struggle to live authentically.

Ronald Fairbairn

1889-1964

Object-relations theorist who recast libido as fundamentally object-seeking rather than pleasure-seeking.

Sabina Spielrein

1885-1942

Early psychoanalytic thinker of destruction, transformation, development, and language.

Salvador Minuchin

1921-2017

Structural family therapist who studied boundaries, alliances, and symptomatic family organization.

Samuel Messick

1931-1998

Measurement theorist who broadened modern validity theory and emphasized the consequences of test use.

Sandor Ferenczi

1873-1933

Innovative analyst of trauma, mutuality, and the emotional reality of clinical relationships.

Serge Moscovici

1925-2014

Social psychologist who developed social representation theory and research on minority influence.

Sidney Jourard

1926-1974

Humanistic psychologist known for self-disclosure, authenticity, and the transparent self.

Sigmund Freud

1856-1939

Founder of psychoanalysis, reading symptoms as expressions of conflict, repression, and unconscious desire.

Solomon Asch

1907-1996

Social psychologist of conformity, impression formation, and the pressure of group judgment.

Stanley Milgram

1933-1984

Social psychologist whose obedience studies exposed the force of authority and situation.

Stanley Rachman

1934-2021

Clinical psychologist known for fear, obsessions, compulsions, safety behaviors, and exposure theory.

Stanley Schachter

1922-1997

Social psychologist known for emotion theory, affiliation research, and broad work on social influence.

Starke Hathaway

1903-1984

Assessment pioneer who co-developed the MMPI and advanced empirical personality testing.

Stephen Mitchell

1946-2000

Relational psychoanalyst who reworked psychoanalysis around relationships, mutuality, and interpersonal patterns.

Steve de Shazer

1940-2005

Brief therapy innovator who built solution-focused work around exceptions, goals, and pragmatic change.

Sue Johnson

1947-2024

Clinical psychologist who developed emotionally focused therapy for couples and close relationships.

Theodor Reik

1888-1969

Psychoanalytic essayist who highlighted listening, guilt, ritual, and the analyst's felt intuitions.

Tom Andersen

1936-2007

Systemic therapist known for reflecting teams and collaborative conversational practice.

Ulric Neisser

1928-2012

Cognitive psychologist who helped define the field while critiquing overly artificial laboratory claims.

Urie Bronfenbrenner

1917-2005

Ecological theorist who explained development through nested systems from family to culture.

Viktor Frankl

1905-1997

Logotherapy founder who framed suffering through meaning, conscience, and human freedom within limits.

Virginia Satir

1916-1988

Family therapist who linked communication, self-worth, and family patterns.

Walter Mischel

1930-2018

Social psychologist who challenged broad trait claims and studied self-control, situations, and delay of gratification.

Wilfred Bion

1897-1979

Analyst of thinking, containment, projective processes, and the emotional life of groups.

Wilhelm Reich

1897-1957

Controversial analyst of character structure, bodily armor, and social repression.

Wilhelm Wundt

1832-1920

Founder of the first psychology laboratory and architect of early experimental psychology.

William James

1842-1910

Pragmatist and functionalist who treated consciousness, habit, and action as part of lived adaptation.

William Stern

1871-1938

Differential psychologist known for mental age, personalism, and the study of meaningful individual differences.

Wolfgang Kohler

1887-1967

Gestalt psychologist who studied insight, organization, and perception across humans and apes.

Wolfgang Metzger

1899-1979

Gestalt psychologist who helped systematize perception research and the broader Gestalt tradition.