From April 1935 to 1937, he was a member of the Bourbaki group of mathematicians.
He was a professor in the Faculty of Sciences of Paris from 1941 to 1972, and director of the Institut de Physique du Globe de Paris from 1941 to 1959.
He was director-general of CNRS, the French National Centre for Scientific Research from 1957 to 1962, president of CNES from 1962 to 1967, and president of the Bureau des Longitudes from 1967 to 1969.
Awards and distinctions
- 1961 — Prix Jules Janssen
- 1971 — Prix des Trois Physiciens
- 1995 — Grand Cross of the Légion d'Honneur
- Grand Croix of the Ordre du Mérite
- Officer of the Ordre du Mérite Saharien
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