Ptolemy developed a theory of the universe that was universally adopted by scholars called the Geocentric Theory which states that the earth is the center of the universe (Doc C). Copernicus, however, created the heliocentric view of the universe and stated that the sun was actually the center of the universe. Many people called for Copernicus to be killed, as it went against what most leaders of the Catholic Church taught. His courage to step forward and speak his mind, however, proved crucial to the overall revolution of the Renaissance. The human body was also another aspect of science that was viewed drastically differently during the Renaissance. Before the Renaissance it was thought that the body was influenced by the various constellations. Andreas Vesalius, a Belgian doctor, changed the view of the human body by creating anatomical sketches depicting a human being covered in bones and muscles (Doc D). His views were widely accepted mainly because they logically explained human beings and their physiological processes. Thanks to Vesalius, man was seen as a physical being who was not directly influenced by the constellations or