Most famous
Psychoanalysis, unconscious mind, psychosexual stages
Sigmund Freud
Hierarchy of Needs; Self-actualization
Abraham Maslow
Theory of Cognitive Development
Jean Piaget
Theory of Evolution
Charles Darwin
Stages of Psychosocial Development
Erik Erikson
Classical Conditioning: bells and dogs
Ivan Pavlov
Humanistic Psychology; Client-centered Therapy; UPR
Carl Rogers
Language Development
Noam Chomskey
Discovered Neuroplasticity
Marian Diamond
Attachment Theory
Bowlby & Ainsworth
Operant conditioning, reinforcement, behaviorism
B.F. Skinner
Positive Psychology; PERMA
Martin Seligman
Theory of Moral Development
Kohlberg
General Adaptation Syndrome (stress)
Hans Selye
Social Learning Theory
Albert Bandura
Collective unconscious, archetypes
Carl Jung
Broaden-and-build" theory of positive emotions
Barbara Fredrickson
Zone of Proximal Development
Lev Vygotsky
Father of experimental psychology, first psychology lab.
Willhelm Wundt
Flow State
Mihaly Csikszentmihalyi:
Cognitive therapy, cognitive triad
Aaron Beck
Ecological Systems Theory
Urie Bronfenbrenner