John Bowlby (1907-1990) was a psychoanalyst best known for his work on attachment. He thought that many mental health and behavioural problems stemmed from the first years of life, and that babies are born with an inbuilt need to form an attachment to one figure – usually the mother. This primary bond was the most important attachment and formed the pattern for all other relationships in a person’s life. Children should be cared for by this person up until the age of 2, ideally the age of 5, and any disruption avoided. Short term separation, he thought, led to distress which was separated into 3 stages.