4: Alfred Adler and Harry Stack Sullivan Last updated Save as PDF Page ID 12201 Mark D. Kelland Lansing Commnunity College via OpenStax CNX 4.1: Chapter Introduction 4.2: Brief Biography of Alfred Adler 4.3: Adler's Individual Psychology 4.4: Alderian Psychotherapy 4.5: A Brief Biography of Harry Stack Sullivan 4.6: Sullivan's Interpersonal Psychology 4.7: Personality Theory in Real Life 4.S: Chapter Summary