Answer:
Sigmund Freud
Step-by-step explanation:
As per the psychosocial work Sigmund Freud, young kids goes through a sequence of psychosexual phases which contribute to grown - up psychological development. His hypothesis explained how character evolved during infancy.
Freud claimed that temperament evolved via a sequence of developmental phases that concentrated the id's pleasure-taking activities on those erogenous parts. An erogenous space is defined as having a highly receptive region of the anatomy to stimulation.