Concept

Henri Wallon (psychologist)

Summary
Henri Paul Hyacinthe Wallon (March 15, 1879 – December 1, 1962) was a French philosopher, psychologist (in the field of social psychology), neuropsychiatrist, teacher, and politician. He was the grandson of the historian and statesman Henri-Alexandre Wallon. Henri Wallon conducted two parallel careers. As a convinced Marxist, he took up political duties while carrying out scientific work in the field of developmental psychology. In 1931, Wallon joined the French socialist political party SFIO and became a member of the French Communist Party in 1942. In 1944 he was named Secretary of National Education. He was elected Communist Deputy (1945-1946) and chaired an education reform commission that durably marked the National Education system under the name "The Langevin-Wallon Project" (1945). Henri Wallon is better known by his scientific work primarily devoted to child development. Following his education, he occupied the highest positions in the French university world where he fostered leading research activity. Wallon was admitted to the École Normale Supérieure in 1899, where he passed higher-level competitive examinations for teachers and professors (agrégation) in philosophy in 1902. In 1908 he became a doctor of medicine, and from 1908 to 1931 worked with mentally retarded children. During World War I, Wallon was mobilized as an army medical officer and became interested in neurology. In 1920 he became a junior lecturer at the Sorbonne, and then in 1925 attained his Ph.D. (Docteur ès lettres) with a thesis on "the turbulent child". He was named director of studies at the École Pratique des Hautes Études in 1927 and created the Laboratory of Pediatric Psychobiology (laboratoire de psycho-biologie de l'enfant) at CNRS, where Paul Diel came under his direction upon joining the laboratory in 1945. From 1937 to 1949 he was a professor with the Collège de France (as chair of the department of Childhood Psychology and Education). In 1948, as director of the University of Paris's Institute of Psychology, he created the journal Enfance.
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