Psychologist Alfred ADLER was an Austrian medical doctor, psychotherapist, and founder of the school of individual psychology. He is best known for his theory of the inferiority complex, which he believed was at the root of many psychological problems. ADLER's theories focused on the importance of social connectedness and the need for individuals to strive for superiority in order to overcome feelings of inferiority. He also emphasized the importance of understanding the individual's unique life history and the role of early childhood experiences in shaping personality.