1509 - 1588) belongs to a group of independent philosophers of the late Renaissance who left the universities in order to develop philosophical and scientific ideas beyond the restrictions of the Aristotelian-scholastic tradition. Authors in the early modern period referred

Revised entry by Robert DiSalle on November 4, 2009. Changes to: Main text, Bibliography] A "frame of reference" is a standard relative to which motion and rest may be measured; any set of points or objects that are at rest