Biography of Descartes

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…thematically-based scientific knowledge of the material world is possible. Descartes' work was influential, although his studies in physics and the other natural sciences much less so than his mathematical and philosophical work. Throughout the 17th and 18th Centuries, Descartes' philosophical ghost was always present: Locke, Hume, Leibniz and even Kant felt compelled to philosophical engage (often negatively, of course) with this philosophical giant. For these reasons, Descartes is often called the 'father' of modern philosophy.