Pierre Dangeard

Pierre Dangeard

Pierre Dangeard
Born (1895-02-18)February 18, 1895
Poitiers, France
Died August 23, 1970(1970-08-23)
Pléneuf-Val-André, France
Nationality French
Fields Botany
Institutions University of Paris
University of Bordeaux
Alma mater University of Paris
Known for studies on marine algae
Author abbrev. (botany) P.J.L.Dang.

Pierre Jean-Louis Dangeard (18 February 1895 in Poitiers, France – 23 August 1970 in Pléneuf-Val-André, France) was a French botanist.[1] He was the son of botanist and mycologist Pierre Augustin Dangeard and brother of geologist and oceanographer, Louis Dangeard.

Biography

Pierre Dangeard was born on 18 February 1895 in Poitiers, France. Four years earlier his father had relocated from Caen to take up a botany professorship at the Academie des Sciences, the scientific faculty of the University of Poitiers, and a year after his move, had married the 20-year-old Henriette Louise Labrosse.[2] Dangeard was the second of four siblings. His elder brother Henri died in 1899 at the age of six. Pierre thus became the eldest of the children and followed in his father's footsteps to become a botanist.

In 1909 the family moved to Paris after Dangeard's father was offered and accepted a position at the prestigious Academie des Sciences. After receiving a baccalaureate, Dangeard began to study biology at the University of Paris. In 1914 he finished with the license. From 1915 to 1918 Dangeard fought in the First World War and was wounded. In 1922 he was appointed a member of the Legion of Honor. After his military service and his recovery Dangeard continued his nature studies. In 1923 he received a doctorate and published his doctoral thesis[3] in his father's magazine Le Botaniste.[4]

In October 1924 Dangeard was married to Madeleine Colin (1899 - 1944). They had one daughter, Geneviéve. However, Colin wife died in 1944. Three years later, in March 1947, Dangeard married again, this time to Anne Marie Coville (1908 - 1998) with whom he had a son, Bernard.

After earning his PhD, Dangeard remained in Paris and in 1928 received an appointment as an assistant at the Faculty of Science, later graduating to a professorship chair of botany in 1932 at the Faculte des Sciences of the University of Bordeaux.[5] Dangeard specialized in marine algae. He took part in various marine expeditions conducted by Jean Charcot and his research vessel Pourquoi pas?. He is thought to have worked closely with his brother, geologist and oceanographer Louis Dangeard, who also took part in marine expeditions.

After his retirement from the chair of the Department of Botany at Bordeaux University, Dangeard lived in Pléneuf-Val-André, Brittany. He died on 23 August 1970 at the age of 75.

Memberships and Honors

Dangeard was member of such scientific societies as:

Works and Collection

In succession to his father, who died in 1947, Pierre Dangeard was editor of the botanic journal Le Botanist.[6]

Notes

Not only were father and son both botanists, but in addition they had the same first name, namely Pierre. This led to confusion, even within the academic community. The elder Dangeard foresaw the name problem and confronted it on the occasion of his publishing his son's thesis in the journal Le Botaniste:

„Je suis heureux de présenter aujourd’hui dans cette 15 série du Botaniste un mémoire de mon fils ainé, dont les travaux ultérieurs porteront comme celui-ci la signature Pierre Dangeard, alors que les miens ont toujours été présentés sous la signature P. A. Dangeard : de la sorte, aucune confusion ne pourra se produire dans l’esprit des lecteurs.“[7]
(I am glad to present now in this 15th volume of the Botanist a treatise by my elder son, whose future works, like the present paper, will appear under the signature of Pierre Dangeard, while my own have always been published under that of P. A. Dangeard: thus, no confusion should arise in readers' minds.)

References

  1. ↑ Frans A. Stafleu, Erik A. Mennaga (Eds.): Taxonomic Literature. A selective guide to botanical publications and collections with dates, commentaries and types. Supplement V: Da-Di. Koeltz Scientific Books, Königstein 1998, ISBN 3-87429-402-1.
  2. ↑ GeneaNet: Genealogy of the Dangeard family, French, visited 15 April 2011
  3. ↑ Pierre Dangeard: Recherches de biologie cellulaire. Évolution due système vacuolaire chez les végétaux. In: Le Botaniste, vol.15, issue 1, 1923.
  4. ↑ Biodiversity Heritage Library: P.-A. Dangeard (Editor): Le Botaniste. Facsimile of the volumes 1(1889) – 15(1923), French, visited 19 April 2011
  5. ↑ Vitus Grummann (Hrsg.): Biographisch-Bibliographisches Handbuch. Cramer, Lehre 1974, ISBN 3-7682-0907-5.
  6. ↑ Biodiversity Heritage Library: P.-A. Dangeard (ed.): Le Botaniste. Facsimile of the volumes 1(1889) – 15(1923), French, visited 19 April 2011
  7. ↑ Pierre Augustin Dangeard: Introduction à la Série XV du Botaniste. In: Le Botaniste, vol.15, issue 1, p.I, Paris 1923.
  8. ↑ IPNI.  P.J.L.Dang.
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