Explore the foundational concepts of personality theory in this comprehensive lecture, focusing on two influential figures: Alfred Adler and Sigmund Freud. Delve into Adler's unique perspective on personality development and his contributions to the field of psychology. Then, examine Freud's groundbreaking psychoanalytical theory of personality, understanding its core principles and lasting impact on modern psychology. Gain valuable insights into how these pioneering theories have shaped our understanding of human behavior and mental processes.