Benjamin McLane Spock an American paediatrician had his book Baby & Childcarepublished in 1946. The book carried the message to mothers ‘you know more than you think you do’. Becoming a bestseller, by 1998 the book had sold more than 50 million copies and has been translated in 39 languages. Spock was the first paediatrician to try to understand children’s needs and family dynamics, with his ideas about childcare influencing generations of parents. Spock went on to write three more books about parenting.