Part 1: Introduction. Personology -- Historical overview of psychological thinking. Part 2: Depth psychological approaches . The psychoanalytical theory of Sigmund Feud (1856-1939) -- The analytical theory of Carl Jung (1875-1961) -- The individual psychology of Alfred Adler (1870-1937) -- The socially-orientaed psychoanalytical theories -- The ego-psychological theory of Erik Erikson (1902-1994) -- The language-oriented theory of Jaques Lacan (1901-1981). Part 3: The radical behaviorism of Burrhus Frederic Skinner )1904-1990) -- The social cognitive learning approach. Part 4: Person-oriented approaches -- The self-actualisation theory of Abraham Maslow (1908-1970) -- The self-concept theory of Carl Rogers (1902-1987) -- The personal construct theory of George Kelly (1905-1967) -- The existential theory of Viktor Frankl (1905-1997). Part 5: Socially contextualised approaches -- The ecosytematic approach -- Eastern perspectives -- African perspectives.