In the study of personality, these models are usually verbal. Every now and then, someone comes up with a graphic model, with symbolic illustrations, or a mathematical model, or even a computer model. But words are the basic form. Boeree (2006),The main core of the Personality Theory is its insistence on knowing answers to many functions of behavior and brain. It focuses only on the individual, and tries to find answers for his actions and behaviors. It also tries to find out suitable explanations for questions like, ‘how do people tend to think, feel and behave? What are their emotions? Are they controlled or are they unbridled? How important is consciousness to personality? How pronounced are the individual differences?’ etc. These are some of the questions that are regularly answered through personality theory and research, even though the answered could be appallingly diverse.Sigmund Freud, the father of modern psychology, psychotherapy, and personality theories, who attacked the traditional theories of psychology and placed it on a vibrant path, was perhaps also the originator of Modern Personality Theory and Research. There might be many criticizers of Freud over decades and most of them are quite convincing. But a student of psychology could never ignore Freud for the simple reason that most of what he said was right, and he has pervaded all shades and hues of psychology in his aim ‘to agitate the sleep of mankind’ and he cannot be forgotten easily. He was undeniably influential and controversial in his day and remains so even now.From the recent developments in the research of personality traits, according to authors of Personality Theory and Research (Pervin et al, 2005), ‘a consensus is emerging concerning the fundamental dimensions of personality traits and there is a biological and evolutionary basis for inherited aspects of these traits.