Rene Descartes (1596-1650) has earned the title the Father of Modern Philosophy, His Discourse on Method and Meditations on First Philosophy generated a new method of inquiry for the modern mind. His discovery of Analytic Geometry paved the way for Calculus. In many ways Descartes’ philosophy helped shape the world in which we live. What follows is a brief introduction the main themes of Descartes’ Meditations, suitable for undergraduates. As always it is hoped the student will proceed to the primary source for continued clarification.