This question begs the question "other than which subject areas"?
Rene Descartes is regarded as the father of Western philosophy. His writings influence most of the subsequent writings in Western philosophy.
Rene Descartes initiated the process in which algebra is thought upon. His major contribution was making me have to do this pointless essay.
solved pi...
DESCARTES Rule in math class. (geometry and up!)
Rene Descartes
Rene Descartes helped form the early ideas of psychology, before psychology was an established field. His most important contribution to modern psychology is probably the idea of the mind and body being separate entities, which has major implications for why and how we experience emotions.
Rene Descartes was a real person. Nobody invented him!
Rene Descartes was a French mathematician who created coordinated geometry.
Rene Descartes was the father of rationalism.
Joachim Descartes
Rene Descartes' contribution to psychology was his dualistic perspective that separated the mind (thinking) from the body (physical), known as Cartesian dualism. This perspective laid the foundation for modern psychology to explore the relationship between mental processes and behavior. Descartes also emphasized the role of reasoning and introspection in understanding human cognition, influencing the development of cognitive psychology.