Rene Descartes
I. All about Rene Descartes A. Rene Descartes is born B. Family C. Education D. Interests & Hobbies E. Passing F. Why he was important G. Philosophical Work, Scientific Discoveries, & Mathematical Findings II. Rene Descartes is born 1. When & where he was born A. March 31, 1596 B. La Haye en Touraine, Touraine (present-day Descartes, Indre-et-Loire), France C. Parents: Jeanne Brochard (mother), Joachim (father) D. Father left him and he was raised by maternal grandmother and great - uncle III. Family A. About Parents & Siblings 1. Mother died when he was one 2. Father worked for French government 3. Step mother, married to Joachim when Rene was four 4. Anne: half sister, born when he was fifteen 5. Joachim II: half brother, born when he was seven B. Daughter 1. Francine Descartes 2. Helena Jans van der Strom (mother); servant girl 3. Parents were never married 4. Died at the age of 5 due to scarlet fever
IV. Education C. Schools 1. Joined the University of Franeker (April 1629) 2. Enrolled at the Leiden University to study mathematics and geometry 3. Eventually, he taught at Utrecht University
V. Interests and Hobbies D. Traveling 1. Traveled through Europe; spent time in Bohemia, Hungary, Germany, Holland, and France 2. Traveled to Paris 3. Traveled to Italy; spent time in Venice 4. Then he returned back to France
VI. Rene Descartes’ Passing E. How he died 1. Passed on February 11, 1650 2. Stockholm, Sweden 3. Died at age 53 where it was said that he died from pneumonia
VII. Why he was important F. His contribution to mathematics 1. Created Cartesian (coordinate math); beginning of analytic geometry 2. His theory provided the basis for the calculus of Newton and Leibniz 3. Descartes' rule of signs; commonly used method to determine