Born March 14 1908, Rochefort-sur-mer. Died May 3 1961.
Education and professional career
- 1926-1930 : École normale supérieure student
- 1930 : Agrégé in philosophy
- 1930-1931 : Legal military service
- 1931-1933 : Teacher at the Lycée de Beauvais
- National Center for Scientific Research scholarship holder
- 1934-1935 : Teacher, Lycée de Chartres
- 1935-1939 : Agrégé répétiteur de philosophie à l'École normale supérieure
- 1940-1944 : Teacher at Lycée Carnot
- 1944-1945 : Professeur de Première supérieure at Lycée Condorcet
- 1954 : Doctor of Letters
- 1945-1948 : Senior lecturer, then professor at the Faculté des Lettres de Lyon
- 1946-1949 : Lecturer at the École normale supérieure
- 1949-1951 : Senior lecturer, then professor without a chair at the Faculté des Lettres de Paris
- 1952-1961 : Professor at the Collège de France, Chair of Philosophy