Yolande Le Calvez

Yolande Le Calvez
Born(1910-04-23)23 April 1910
Died2002(2002-00-00) (aged 91–92)
Occupationsgeologist, palaeontologist, geological engineer
Employer(s)Bureau de Recherches Géologiques et Minières, French National Centre for Scientific Research,

Yolande Le Calvez (23 April 1910 – 2002)[1] was a French geologist, palaeontologist and geological engineer, specialising in foraminifera and their use in biostratigraphy. She was described by a colleague as the "grande dame" of micropaleontology.[2] She is one of 72 women in STEM whose names have been proposed to be added to the Eiffel Tower.[1]

Early life and education

Yolande Le Calvez was born on 23 April 1910. Her 1970 doctoral thesis focused on the Paleogene of the Paris Basin.[3][2] She devoted her career to the study of fossil and modern foraminifera, single-celled organisms that maintain the balance of the oceanic ecosystem.[4] She used them as biostratigraphic markers.[5][6]

Career

In 1934, Le Calvez collaborated with her husband, Jean Le Calvez, a preparator at the Villefranche-sur-Mer Zoological Station, on the reproduction of foraminifera and the study of these micro-organisms in their natural environment.[3]

In 1944, Le Calvez was recruited as a geological engineer for the Bureau de Recherche Géologiques et Géophysiques (later the Bureau de Recherches Géologiques et Minières or BRGM),[1] where she worked with neurologist Pierre Marie. She revised the foraminifera collection and went on to head the micropalaeontology laboratory. When the BRGM moved to Orléans,[3] Le Calvez joined the French National Centre for Scientific Research (CNRS) and the Institute of Palaeontology (MNHN) in 1966.[1]

In 1972, Le Calvez took over as head of the micropalaeontology laboratory,[1] succeeding Marthe Deflandre-Rigaud, a position she held until her retirement in 1977.[3] She continued her work promoting the collections of ancient authors and specialists in foraminifera and ostracods.[7] She edited the Cahiers de Micropaléontologie journal during this period.[7]

Publications

  • Révision des foraminifères lutétiens du bassin de Paris. Paris: Imprimerie. Nationale. 1947–1952. Retrieved 2026-03-02.{{cite book}}: CS1 maint: date format (link).
  • with J Le Calvez (1951). "Contribution à l'étude des foraminifères des eaux saumâtres.⟨hal-02529417⟩". Vie et Milieu: 237-254..
  • "Les foraminifères de la mer celtique". Revue des Travaux de l'Institut des Pêches Maritimes. 22 (2): 148-211. 1958..
  • with Berthois Leopold (1959). "Deuxième contribution a l'étude de la sédimentation dans le golfe de Gascogne". Revue des Travaux de l'Institut des Pêches Maritimes. 23 (3): 323-375..
  • with I. de Klasz et L. Brun (1971). "Quelques foraminifères de l'Afrique occidentale". Revista española de micropaleontología. 3 (3): 305-326. ISSN 0556-655X..
  • with Ivan de Klasz, Lelio Brun (1974). "Nouvelle contribution à la connaissance des microfaunes du Gabon". Revista española de micropaleontología. 6 (3): 381-400. ISSN 0556-655X..

Recognition

In 2026, Le Calvez was announced as one of 72 historical women in STEM whose names have been proposed to be added to the 72 men already celebrated on the Eiffel Tower. The plan was announced by the Mayor of Paris, Anne Hidalgo following the recommendations of a committee led by Isabelle Vauglin of Femmes et Sciences and Jean-François Martins, representing the operating company which runs the Eiffel Tower.[1][8][4][5]

References

  1. ^ a b c d e f 72 femmes de sciences pour la tour Eiffel Femmes & Sciences (in French). Retrieved 2026-02-28
  2. ^ a b Jean-Paul Saint Martin (2010). Le patrimoine paléontologique (PDF). GeoEcoMar. pp. 81–85, 296. Retrieved 2 March 2026..
  3. ^ a b c d "Fonds Yolande Le Calvez (1910-2002)". France Archives. Retrieved 2 March 2026..
  4. ^ a b "Eiffel Tower to honor 72 women scientists for posterity". 2026-01-26. Retrieved 2026-02-28.
  5. ^ a b "Les noms des 72 femmes pour la Tour Eiffel ont été révélés". Femmes & Sciences (in French). Retrieved 2026-02-28.
  6. ^ COLLECTIF. 1981. — Les foraminifères : Systématique et utilisation en stratigraphie et en paléobiogéographie : Livre jubilaire en hommage à Yolande Le Calvez. Muséum national d'Histoire naturelle, Paris, 130 p. (Cahiers de Micropaléontologie ; 29).
  7. ^ a b Saint Martin 2010, p. 83.
  8. ^ "Eiffel Tower: a list of 72 women scientists will soon be inscribed on the Parisian monument". www.sortiraparis.com. Retrieved 2026-02-28.
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