Developed the concept of collective unconscious and archetypes, and founded analytical psychology, which emphasizes the integration of opposites and the process of individuation.

Pioneering psychoanalyst who developed theories on the subconscious mind, childhood experiences, and the structure of personality, revolutionizing our understanding of human behavior and psychology.

A German psychologist and sociologist who developed the concept of "social character" and explored the relationship between psychology and society, known for his humanistic and socialist approach.

Austrian neurologist and psychiatrist who developed logotherapy, a form of therapy focused on finding meaning in life, and wrote about his experiences in Nazi concentration camps in "Man's Search for Meaning".

Developed the Hierarchy of Needs, a pyramid-shaped model that prioritizes human needs, from basic physiological needs to self-actualization and personal growth. His work focuses on human motivation and the pursuit of happiness.

Developed the theory of psychosocial development, which proposes that individuals go through eight stages of development from infancy to old age, each with its own unique challenges and opportunities. His work has had a significant impact on our understanding of human development and identity formation.

Developed groundbreaking theories on child cognitive development and learning, emphasizing active discovery and hands-on experience. His work has shaped modern education and parenting practices.

A renowned psychologist and author who wrote extensively on autism, child development, and the importance of fairy tales in childhood education. His work continues to influence modern child psychology and education.