This document provides a brief biography of Alfred Adler, founder of Individual Psychology, and summaries of some of his key ideas. It discusses Adler's early life struggles, his work with Freud and later split from psychoanalysis. Some of Adler's central beliefs involved human motivation towards social superiority and the influence of early family dynamics and birth order on personality development. Adler was one of the first to practice and advocate for group therapy techniques. The document also contrasts Adler's theories with Freud's and provides overviews of several Adlerian therapeutic concepts.