at Westminster, 31 March 1647 (1647; repr. 1852) R. Cudworth, A Treatise concerning Eternal and Immutable Morality (1731) R. Cudworth, They know Christ who keep his Commandments (repr. 1858) 1617 births 1688 deaths Cudworth family 17th-century philosophers 17th-century Anglican theologians 17th-century Christian mystics 17th-century English philosophers 17th-century English male writers 17th-century English writers Anglican philosophers Cambridge Platonists Christian Hebraists Critics of atheism Doctors of Divinity 17th-century English Anglican priests English Anglican theologians English male non-fiction writers English theologians Fellows of Emmanuel College, Cambridge Fellows of Christ's College, Cambridge Fellows of the Royal Society Masters of Christ's College, Cambridge Masters of Clare College, Cambridge Regius Professors of Hebrew (Cambridge) People from South Somerset (district) Protestant mystics Alumni of Emmanuel College, Cambridge