Born November 7 1906, Nantes (Chatenay). Died November 10 1998.
Education and professional career
- 1926-1929 : École Normale Supérieure
- 1929 : Agrégé
- 1933 : Doctor of Science
- 1933 : Chargé de Recherches
- 1938 : Professor at Nancy University
- 1941 : Professor, University of Paris
- 1944 : Académie des Sciences de Paris
- 1947-1978 : Professor at the Collège de France, Chair of Differential and Functional Equation Theory
- 1953 : Académie des Sciences de Paris
Career abroad
- 1958 : Academia della Scienze di Torino (in derogation of a rule reserving the post of Correspondent for Italians only)
- 1959 : American Academy of Arts and Sciences (Boston, USA)
- 1959 : American Philosophical Society, founded by Franklin (Philadelphia, USA)
- 1960 : Swiss Mathematical Society (Membre d'Honneur, as Switzerland has no Academy and awards this title to a few mathematicians)
- 1962 : Royal Academy of Belgium
- 1963 : Akademie der Wissenschaften in Göttingen (All)
- 1965 : National Academy of Sciences (USA)
- 1966 : Academy of Sciences (USSR)
- 1967 : Accademia di Scienze, Lettere e Arti di Palermo
- 1974 : Istituto Lombardo, Accademia di Scienze e Lettere
- 1975 : Accademia Nazionale delle Scienze Detta dei XL (Rome)
- 1977 : Polish Academy of Sciences
- 1980 : Academia Nationale dei Lincei (Rome)
- 1983 : The Royal Society of London
Awards and honors
- Commander of the Légion d'Honneur
- Commandeur des Palmes Académiques
Related activities
- 1930-1940 : French Campaign
- 1940-1945 : Rector of the University of Captivity at Oflag XVILA
