
RenĂ© Descartes was a French philosopher, scientist, logician, and mathematician, widely considered a seminal figure in the emergence of modern philosophy and science during Renaissance era. Mathematics was paramount to his method of inquiry, and he connected the previously separate fields of geometry and algebra into analytic geometry.â Wikipedia
Works

Discours de la Méthode pour bien conduire sa raison, et chercher la vérité dans les sciences
Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences
French · 1637Nonfiction / Essays / Treatise
2 translations

La Géométrie
The Geometry
French · 1638Nonfiction / Essays / Treatise

Meditationes de Prima Philosophia
Meditations on First Philosophy
Neo-Latin · 1640Nonfiction / Essays / Treatise
2 translations

Principia Philosophiae
Principles of Philosophy
Neo-Latin · 1644Nonfiction / Essays / Treatise
3 translations
Notae in Programma Quoddam
Comments on a Certain Broadsheet
Neo-Latin · 1647Nonfiction / Essays / Treatise
1 translation
Les Passions de l'Ăąme
Passions of the Soul
French · 1649Nonfiction / Essays / Treatise
1 translation
Correspondance
Correspondence
French, Neo-Latin · 1657Correspondence / Letters
3 translations

Traité du monde et de la lumiÚre
The World, or a Treatise on Light
French · 1664Nonfiction / Essays / Treatise
1 translation
La recherche de la vérité par la lumiÚre naturelle
The Search for Truth by Natural Light
French, Neo-Latin · 1683Nonfiction / Essays / Treatise
1 translation
Regulae ad directionem ingenii
Rules for the Direction of the Mind
Neo-Latin · 1701Nonfiction / Essays / Treatise
1 translation
renaissance