Character formation theory and comprehensive human development theory. According to the query of the Academic Reference Network, Robert Owen is one of the famous pioneers of Marxist educational theory. Owen proposed the theory of character formation, the theory of comprehensive human development, the theory of combining education with productive labor, and the theory of early childhood education. Robert Owen was one of the most accomplished entrepreneurs of the early 19th century and an outstanding management pioneer. Owen conducted unprecedented experiments in several of his own textile mills in Scotland between 1800 and 1828. He is called the father of modern personnel management, with good reason. Robert Owen was the first educational theorist and practitioner in history to create pre-school educational institutions (nurseries, kindergartens).