Many other coordinate systems have been developed since Descartes.
British Dictionary definitions for Descartes
/ˈdeɪˌkɑːt; French dekart/
René (rəne). 1596–1650, French philosopher and mathematician. He provided a mechanistic basis for the philosophical theory of dualism and is regarded as the founder of modern philosophy. He also founded analytical geometry and contributed greatly to the science of optics. His works include Discours de la méthode (1637), Meditationes de Prima Philosophia (1641), and Principia Philosophiae (1644)