Original Sin, The blank Slate and innate goodness

Jean-Jacques Rousseau

He claimed that all human beings are naturally good and seek out experiences that help them grow (Rousseau believed that children need only nurturing and protection to reach their full potential) {established norms for physical maturation}

John Locke

claimed that the mind of a child is a blank slate (The blank - slate view suggest that adults can mold children into whatever they want them to be) {first scientific study of children

G.Stanley Hall of Clark university

he used questionnaires and interviews to study large numbers of children

Darwin

proposed that studying children's development might help scientist better understand the evolution of the human.

Arnold

suggested the existence of a genetically programmed sequential pattern of change

Augustine of Hippo

taught that all humans are born with selfish nature ( he taught that humans must seek spiritual rebirth and submit themselves to religious training) {Original sin, kept baby biographies.