Later Life
In 1921 he earned the directorship of Geneva's Institut J. J. Rousseau. In 1923 he married Valentine Chatenay. he has 3 children, Jacqueline, Lucienne, and Laurent. In 1926 he went back to the University of Neuchatel to be a professor. He returned to Paris as a professor of gentic psychology at Sorbonne from 1929 to 1967. In 1955, Piaget secured funding from the Rockefeller Foundation and the Swiss National Foundation for Scientific Research to found the International Center of Geneva University, serving as its director until his 1971 retirement. He wrote more than 60 books and monographs. He died in September 16, 1980, in Geneva. That is his later life.