René Descartes was born in France where he grew up and graduated in law. After earning his law degree he decided to join the army and settled in Germany where he met Isaac Beeckman. He then leaves military life to explore the concepts he and Beeckman had invented, but had little success in these endeavors. It was only on November 10, 1619 that the inspiration to create a complete and methodical science came to him. He traveled the world meeting other men known for their ideas and concepts. His reputation as a man of knowledge grew, but he wrote nothing until he settled in Holland away from all distractions. His first book was about to be published when Galileo was condemned by the church, Descartes wisely withdrew his work from print. He published the Discourse on the method anonymously. He pioneered the fields of optics, meteorology, and geometry. The first part of his book intensively studied reflection and refraction. “PHYSICS (Optics: Speed ​​of Light) In La Dioptrique, one of the three appendices to the Discours de la Methode (1637--supplementary), René Desca...