– Sigmund Freud (1856 –1939) was an Austrian neurologist, now known as the father of psychoanalysis. He created psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst. He is recognised for introducing concepts about the unconscious mind. Freud is one of the most influential figures in the history of psychology.
– Abraham Maslow (1908 – 1970) was an American psychologist and founder of the school of thought known as humanistic psychology. He was also best known for creating Maslow’s hierarchy of needs, a theory of psychological health based on fulfilling innate human needs in priority, culminating in self-actualization.