Achille Pierre Dionis du Séjour
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 . He served as an advisor to parliament before he was appointed to the French Academy of Sciences in 1765. 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. In 1775 he was elected a Fellow of the Royal Society.[2]
Dionis du Séjour died in Vernou-la-Celle-sur-Seine.
Publications[]
- Traité des courbes algébriques (Treatise on Algebraic Curves), with (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[]
- ^ (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). Missing or empty |title= (help)
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- 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
- French mathematician stubs