Editing Jean Piaget (section)

=== Appointments ===
*1921–25 Research Director (''Chef des travaux''), [[Rousseau Institute|Institut Jean-Jacques Rousseau]], Geneva
*1925–29 Professor of Psychology, Sociology and the Philosophy of Science, [[University of Neuchatel]]
*1929–39  ''Professeur extraordinaire'' of the History of Scientific Thought, [[University of Geneva]]
*1929–67 Director, [[International Bureau of Education]], Geneva
*1932–71 Director, [[Institute of Educational Sciences]], University of Geneva
*1938–51 Professor of Experimental Psychology and Sociology, [[University of Lausanne]]
*1939–51 Professor of Sociology, University of Geneva
*1940–71  ''Professeur ordinaire'' of Experimental Psychology, University of Geneva
*1952–64 Professor of Genetic Psychology, [[University of Paris|Sorbonne]], Paris
*1954–57 President, [[International Union of Psychological Science|International Union of Scientific Psychology]] <!-- Election reported in the American Journal of Psychology, 67(3), 553 -->
*1955–80 Director, [[International Centre for Genetic Epistemology]], Geneva
*1971–80 Emeritus Professor, University of Geneva