History of physics Descartes has been dubbed the 'Father of Modern Philosophy', and much subsequent Western philosophy is a response to his writings, which are studied closely to this day. In particular, his "Meditations on First Philosophy" continues to be a standard text at most university philosophy departments. Descartes' influence in mathematics is equally apparent; the Cartesian coordinate system — allowing algebraic equations to be expressed as geometric shapes in a two-dimensional coordinate system — was named after him. He is credited as the father of analytical geometry, the bridge between algebra and geometry, important to the discovery of calculus and analysis. The
The Difference Between the Democritean and Epicurean Philosophy of Nature The Difference Between the Democritean and Epicurean Philosophy of Nature The Difference Between the Democritean and Epicurean Philosophy of Nature () is a book written by the German philosopher Karl Marx as his university thesis. Completed in 1841, it was on the basis of this work that he earned his Ph.D. The thesis is a comparative study on atomism of Democritus and Epicurus on contingency and dedicated to Marx's friend, mentor, and future father-in-law Ludwig von Westphalen. It was described as "a daring and original piece of work in which Marx set out to show that theology must yield to