Philippe Gustave le Doulcet, Comte de Pontécoulant
French astronomer and mathematician
About Philippe Gustave le Doulcet, Comte de Pontécoulant
Lived 1795 – 1874 (aged 78–79). Philippe Gustave le Doulcet, Comte de Pontécoulant was a French astronomer and mathematician.
Philippe Gustave Doulcet, Comte de Pontécoulant (1795–1874) was a French astronomer.
He was the younger son of Louis Gustave le Doulcet, Comte de Pontécoulant and was the brother of Louis-Adolphe Pontécoulant. After 1811 he served in the army until 1849. Following his retirement he dedicated himself to the study of mathematics and astronomy.
In 1829 he used the mathematical methods of Poisson and Lagrange to successfully predict the return of Halley's Comet with good precision. His prediction of the perihelion passage was correct to within two days.
He was a member of the French Academy of Sciences. The crater Pontécoulant on the Moon is named after him.
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Frequently asked questions
Who was Philippe Gustave le Doulcet, Comte de Pontécoulant?
French astronomer and mathematician
When was Philippe Gustave le Doulcet, Comte de Pontécoulant born?
Philippe Gustave le Doulcet, Comte de Pontécoulant was born in 1795 in former 10th arrondissement of Paris.
When did Philippe Gustave le Doulcet, Comte de Pontécoulant die?
Philippe Gustave le Doulcet, Comte de Pontécoulant died in 1874 in Pontécoulant.
What was Philippe Gustave le Doulcet, Comte de Pontécoulant's occupation?
Philippe Gustave le Doulcet, Comte de Pontécoulant was an astronomer and mathematician.
What nationality was Philippe Gustave le Doulcet, Comte de Pontécoulant?
Philippe Gustave le Doulcet, Comte de Pontécoulant was French.
Sources & further reading
· Wikipedia: Philippe Gustave le Doulcet, Comte de Pontécoulant
· DBpedia: Philippe Gustave le Doulcet, Comte de Pontécoulant
Cite this page
APA: Biography.guide. (2026). Philippe Gustave le Doulcet, Comte de Pontécoulant. https://biography.guide/philippe-gustave-le-doulcet-comte-de-pontecoulant/
MLA: "Philippe Gustave le Doulcet, Comte de Pontécoulant." Biography.guide, https://biography.guide/philippe-gustave-le-doulcet-comte-de-pontecoulant/.
Chicago: "Philippe Gustave le Doulcet, Comte de Pontécoulant." Biography.guide. https://biography.guide/philippe-gustave-le-doulcet-comte-de-pontecoulant/.
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