Theory of character formation and theory of man's all-round development. According to the academic reference network, robert owen, as one of the famous pioneers of Marxist educational theory, put forward the theory of character formation, the theory of all-round development of human beings, the theory of combining education with productive labor and the theory of preschool education. Robert owen is one of the most successful entrepreneurs in the early19th century and an outstanding management pioneer. Owen conducted unprecedented experiments in several textile mills in Scotland from 1800 to 1828. People have every reason to call it the father of modern personnel management. Robert owen is the first educational theorist and practitioner who founded preschool education institutions (nurseries and kindergartens) in history.