Augustus Montague Toplady (1740 –1778) was an Anglican cleric and hymn writer. He is best remembered as the author of the hymn "Rock of Ages". Toplady initially followed Wesley in supporting Arminianism. In 1758, however, the 18-year-old Toplady read Thomas Manton's seventeenth-century sermon on John 17 and Jerome Zanchius's Confession of the Christian Religion (1562). These works convinced Toplady that Calvinism, not Arminianism, was correct.