Claude Alexandre Albert Falsan (14 May 1833, in Lyon – 12 February 1902, in Saint-Cyr-au-Mont-d'Or) was a French geologist and glaciologist.
He was a student at the Collège des Minimes and also took classes at the University of Lyon as a pupil of geologist Joseph Jean Baptiste Xavier Fournet. Although he never received a diploma, he dedicated his time and energies to geological research of the Jura, the Lyonnaise region and the Alps.
From 1869 to 1902 he was a member of the Académie des sciences, belles-lettres et arts de Lyon, and in 1873, a founding member of the Société de géographie de Lyon. During his career he also received the following awards and distinctions:
Lauréat de l'Institut, prix Bordin.
Grande médaille du Congrès des sociétés savantes.
Médaille d'or du concours de la Sorbonne, 1880.
Médaille d'or de l'Académie de Lyon.
Monographie géologique du Mont-d'Or lyonnais et de ses dépendances, 1866 – Geological monograph of Mont-d'Or (Lyon) and outlying areas; with Arnould Locard.
Note sur les terrains subordonnés aux gisements de poissons et de végétaux fossiles du Bas-Bugey, 1873 – Note on the subordinated deposits of fish and plants in Bas-Bugey; with Eugène Dumortier.
Monographie géologique des anciens glaciers et du terrain erratique de la partie moyenne du bassin du Rhône, 1875 – Geological monograph on the ancient glaciers and erratic terrain in the middle part of the Rhône basin; with Ernest Chantre.
Notice sur la vie et les travaux de Théophile Ebray – On the life and work of Théophile Ébray.
La période glaciaire étudiée principalement en France et en Suisse, 1889 – Glacial age studies, mainly involving France and Switzerland.
Les Alpes françaises, la flore et la faune, le rôle de l'homme dans les Alpes, la transhumance, 1893 – The French Alps, flora and fauna, the role of humans in the Alps, transhumance.
