This man also wrote a work that attempted to describe harmony in mathematical terms, his Compendium Musicae.
This man served as an instructor to Queen Christina of Sweden and drew a wrote a code of regulations for the Swedish Academy of Sciences. This man also wrote a work that attempted to describe harmony in mathematical terms, his Compendium Musicae. The possibility that he was being constantly deceived by an evil genius is considered in this man's Meditations on First Philosophy. For 10 points, name this French philosopher who wrote Discourse on Method and posited, "I think, therefore I am."
This man served as an instructor to Queen Christina of Sweden and drew a wrote a code of regulations for the Swedish Academy of Sciences.
Rene {Descartes}