Ralph Cudworth was one of the leading figures among the Cambridge Platonists, a group of seventeenth-century philosopher theologians. He was born in Aller, Somerset, to a minister who had been a fellow of Emmanuel College, Cambridge. Educated at home by his stepfather, John Stoughton, until 1632, he then entered Emmanuel College. There he was influenced by Benjamin Whichcote, founder of the Cambridge Platonist school. In 1639 he was elected a fellow of Emmanuel, and received the bachelor of divinity degree in 1645, defending for his examination Whichcote's thesis that good and evil are eternal and immutable. This examination, with its opposition to any system that makes morality contingent on will, whether human or divine, already betrays Cudworth's distance from the rigorous Calvinism with which Emmanuel College had always been associated. Nevertheless, Cudworth did have some sympathy with political aspects of the Puritan cause. He was appointed by...