Louis Poinsot

Events

1

Episodes

2

Years

1809–1810

Every event in Historedia whose sources name Louis Poinsot, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

1. Louis Poinsot describes the two remaining Kepler–Poinsot polyhedra

   1809–1810

   Role: Mathematician

   1. 11809 · Paris (inferred from Poinsot's 1804–1809 teaching post at Lycée Bonaparte)Poinsot's Rediscovery

      Poinsot rediscovered Kepler's figures in 1809 by assembling star pentagons around each vertex, establishing a new definition of regularity.

   2. 21810 · Paris (contextual, not a stated publication location)Publication of Memoir

      Poinsot's memoir on polygons and polyhedra appeared in the Journal de l'École Polytechnique in 1810; its content is not detailed in the sources.

Sources

1. Louis Poinsot Wikipedia, revision of 2026-09-12