Modern philosophy will determine the scope of one's use of "modern philosophy." How much of Renaissance intellectual history is part of modern philosophy is disputed: the Early Renaissance is often considered less modern and more medieval compared to the later High Renaissance. By the 17th and 18th centuries the major figures in philosophy of mind, epistemology, and metaphysics were roughly divided into two main groups. The "Rationalists," mostly in France and Germany, argued all knowledge must begin from certain "innate ideas" in the mind. Major rationalists were Descartes, Baruch Spinoza, Gottfried Leibniz, and Nicolas Malebranche. The "Empiricists," by contrast, held that knowledge
20th-century French philosophy highly influenced by biology, particularly Darwin's "Origin of Species", which was released the year of Bergson's birth. This led Bergson to discuss the 'Body' and 'Self' in detail, arguably prompting the fundamental ontological and epistemological questions to be raised later in the 20th century. Bergson's work was a major influence on Gilles Deleuze, who wrote a monograph on him ("Bergsonism") and whose philosophical analyses of cinema ("" and "") develop his ideas. Following debates concerning the foundation of mathematics around the mathematician and philosopher Henri Poincaré (1854–1912), who opposed Bertrand Russell and Frege, various French philosophers started working on philosophy