jean piaget By facebooker_2297981477101923 Period: 1921 to 1925 Research Director, Institut Jean-Jacques Rousseau, Geneva Period: 1925 to 1929 Professor of Psychology, Sociology and the Philosophy of Science, University of Neuchatel Period: 1929 to 1939 Professor of the History of Scientific Thought, University of Geneva Period: 1929 to 1967 Director, International Bureau of Education, Geneva Period: 1932 to 1971 Director, Institute of Educational Sciences, University of Geneva Period: 1938 to 1951 Professor of Experimental Psychology and Sociology, University of Lausanne Period: 1939 to 1951 Professor of Sociology, University of Geneva Period: 1940 to 1971 Professor of Experimental Psychology, University of Geneva Period: 1952 to 1964 Professor of Genetic Psychology, Sorbonne, Paris Period: 1955 to 1980 Director, International Centre for Genetic Epistemology, Geneva Period: 1971 to 1980 Emeritus Professor, University of Geneva
