Achille Pierre Dionis du Séjour
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Dionis_du_Sejour.jpg/220px-Dionis_du_Sejour.jpg)
Achille Pierre Dionis du Séjour (January 11, 1734 – August 22, 1794) was a French astronomer and mathematician.[1]
Dionis du Séjour was born in Paris and was a distant relative of surgeon and anatomist Pierre Dionis. He served as an advisor to parliament before he was appointed to the French Academy of Sciences in 1765. In 1775 he was elected a Fellow of the Royal Society.[2] He was appointed to the Paris group for the Estates-General of 1789 and was one of the 47 who joined the Estates of the Realm that year.
Dionis du Séjour died in Vernou-la-Celle-sur-Seine.
Publications
- Traité des courbes algébriques (Treatise on Algebraic Curves), with Mathieu-Bernard Goudin (1756)
- Recherches sur le gnomonique et les rétrogradations des planètes (Research on sundials and retrograde motions of Planets), (1761)
- Traité des mouvements apparents des corps célestes (Treatise on apparent retrograde motion of celestial bodies), (1774)
- Essai sur les comètes (Essay on comets) (1775)
- Essai sur les disparitions périodiques de l'anneau de Saturne (Essay on the periodic disappearance of the ring of Saturn), (1776)
References
- ^ Electronic Enlightenment Project (2008) Achille Pierre Dionis Du Séjour correspondence.
- ^ "Fellow Details". Royal Society. Retrieved 20 January 2017.
External links
- Achille Pierre Dionis du Séjour biography via University of St. Andrews
This article incorporates text from a publication now in the public domain: Bouillet, Marie-Nicolas; Chassang, Alexis, eds. (1878). Dictionnaire Bouillet (in French).
{{cite encyclopedia}}
: Missing or empty |title=
(help)
- Articles with short description
- Short description is different from Wikidata
- CS1 errors: missing title
- CS1 French-language sources (fr)
- Wikipedia articles incorporating citation from the Dictionnaire Bouillet
- Wikipedia articles incorporating citation from the Dictionnaire Bouillet with no article parameter
- Wikipedia articles incorporating text from the Dictionnaire Bouillet
- Articles with ISNI identifiers
- Articles with VIAF identifiers
- Articles with WorldCat Entities identifiers
- Articles with BNF identifiers
- Articles with BNFdata identifiers
- Articles with GND identifiers
- Articles with KBR identifiers
- Articles with LCCN identifiers
- Articles with NTA identifiers
- Articles with PLWABN identifiers
- Articles with PortugalA identifiers
- Articles with DTBIO identifiers
- Articles with Sycomore identifiers
- Articles with Trove identifiers
- Articles with SNAC-ID identifiers
- Articles with SUDOC identifiers
- 1734 births
- 1794 deaths
- 18th-century French astronomers
- 18th-century French mathematicians
- Members of the French Academy of Sciences
- Fellows of the Royal Society
- Scientists from Paris
- All stub articles
- French mathematician stubs