John Locke
Also called: Locke
English philosopher whose Two Treatises of Government defended natural rights and the right of resistance, justifying the Glorious Revolution; he also systematised empiricism
Born into a Puritan family in south-west England, he studied at Oxford and trained in medicine. He entered politics as physician and secretary to the Earl of Shaftesbury, leader of the Whigs. When the earl fell, he went into exile in the Netherlands in 1683, returning after the Glorious Revolution on the same ship as Mary II. In his Essay Concerning Human Understanding he held that the mind at birth is a blank slate (tabula rasa) and that all knowledge comes from experience, and in A Letter Concerning Toleration he argued for religious toleration.