John Locke believed that all people were equal and independent, and that no one had the right to harm another's "life, health, liberty, or possessions." Locke was not only a renowned philosopher in the late seventeenth and early eighteenth centuries, but he was an Oxford scholar, medical researcher and physician, political operative, economist and spokesman for a revolutionary movement.

Plato had a great influence on Aristotle and other Greek philosophers. His works also influenced the Greek and