Western world.

France has been since the Middle Ages a major focus of knowledge and discoveries. The University of Paris, founded in the mid-12th century, is still one of the most important universities of the Western world.[304]
In the 17th century, René Descartes defined a method for the acquisition of scientific knowledge, while Blaise Pascal became famous for his work on probability and fluid mechanics. They were both key figures of the Scientific revolution which erupted in Europe during this period. The Academy of Sciences was founded by Louis XIV to encourage and protect the spirit of French scientific research. It was at the forefront of scientific developments in Europe in the 17th and 18th centuries. It is one of the earliest academies of sciences.
The Age of Enlightenment was marked by the work of biologist Buffon and chemist Lavoisier, who discovered the role of oxygen in combustion, while Diderot and D'Alembert published the Encyclopédie which aimed to give access to "useful knowledge" to the people, a knowledge that they can apply to their everyday life.[305]
With the Industrial Revolution, the 19th century saw spectacular scientifical developments in France with scientists such as Augustin Fresnel, founder of modern optics, Sadi Carnot who laid the foundations of thermodynamics, or Louis Pasteur, a pioneer of microbiology. Other eminent French scientists of the 19th century have their names inscribed on the Eiffel Tower.
Famous French scientists of the 20th century include the mathematician and physicist Henri Poincaré, physicists Henri Becquerel, Pierre and Marie Curie, remained famous for their work on radioactivity, the physicist Paul Langevin or virologist Luc Montagnier, co-discoverer of HIV AIDS.
As of 2012, 65 French people have been awarded a Nobel Prize[306] and 11 have received the Fields Medal