Louis Dangeard

Louis Dangeard , full name Louis Marie Bernard Dangeard (born April 29, 1898 in Poitiers , † April 15, 1987 in Paris ) was a French geologist and oceanographer . He was the son of the botanist and mycologist Pierre Clément Augustin Dangeard . His brother was the botanist Pierre Jean Louis Dangeard .

Live and act

Louis Dangeard was born on April 29, 1898 in Poitiers, the youngest of four siblings. His father had come from Caen in 1891 and took up a professorship at the Academie des Sciences . In 1909 the family moved to Paris for professional reasons - his mother and eldest brother had since died. The father had got a job there at the natural science faculty.

Louis Dangeard studied geology in Paris and in 1919 went to Rennes as a preparator at the natural science faculty . In 1923 he was permanently employed and in 1928 he became an assistant. In the period from 1922 to 1927 he took part in seven ocean exploration trips. You were met by Jean Charcot with the research vessel Pourquoi Pas? carried out. The target areas were the North Sea , the Bay of Biscay and especially the English Channel . The main focus for Dangeard was the study of the seabed. In 1928 he received his doctorate with a thesis on the seabed of the English Channel.

In 1930 Dangeard was appointed to the Faculty of Natural Sciences in Clermont-Ferrand , but in 1933 he switched to the chair of geology at the Faculté des Sciences in Caen (successor to Alexandre Bigot). In his scientific work, he mainly devoted himself to sedimentology and petrography . In 1939 Dangeard published a lithological map of the seas surrounding France.

In January 1926, Louis Marie Bernard Dangeard married the 22-year-old Louise Marie Joseph Marcille (1902–1980). The marriage resulted in the six children Henri, Yves, Alain, Anne, Armelle and Gilles Louise Marie. Louis Dangeard left his chair in Caen in 1968. His wife died in 1980 and he himself died in 1987 at the age of 88.

Memberships and honors

Louis Dangeard was a member of the French Geological Society, which elected him President in 1955.

In his honor, a huge river valley lying under the English Channel was named as Fosse Dangeard while he was still alive .

Fonts

• Observations de géologie sous-marine et d'océanographie relatives à la Manche (= Annales d'Institut Océanographique , nouvelle serié, vol. 6). Blondel, Paris 1928.
• with Pierre Frémy: Observations sur le Botryococcus Braunii Kützing actuel et fossile . In: Annales de paleontologie , Vol. 27 (1939), No. 4, pp. 117-136.
• Etudes sur la Mer Rouge and the region of Djibouti . Societé linnéenne de Normandie, Caen 1941.
• La Normandie (= Géologie Régionale de la France , Vol. 7; = Actualités Scientifiques et Industrielles , Vol. 1140). Hermann & Cie, Paris 1951.
• Photography Sous-Marine et Geology . In: Cahiers Océanographiques , published by the Service Hydrographique de la Marine, No. 4 (1965), pp. 255–270.

References and footnotes

1. ↑ Familypedia : genealogy of the family Dangeard, English, accessed April 18, 2011
2. ↑ Musset René: Louis Dangeard. - Observations de geologie sous-marine et d'océanographie relatives à la Manche , Annales de Bretagne , 1928, vol. 38, no. 4, p. 810. Lecture published on the website of the Ministère de la jeunesse, de l 'éducation nationale et de la recherche PERSEE , French, accessed on April 18, 2011.
3. ↑ Louis Dangeard: Observations de geologie sous-marine et d'océanographie relatives à la Manche . Diss., Université de Paris 1929.
4. ↑ French Geographical Society ( Memento of the original from July 19, 2011 in the Internet Archive ) Info: The archive link has been inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. : Obituary on the death of Louis Dangeard, French, accessed April 18, 2011. 
5. ↑ For Louis Marie Bernard Dangeard the year 1899 is occasionally given as the year of birth.
6. ↑ J.-P. Destombes, ER Shephard-Thorn, JH Redding: A Buried Valley System in the Strait of Dover. In: Philosophical Transactions of The Royal Society London A , 279 (1975), No. 1288, pp. 243-253.