The Cowper and Newton Museum is a museum in Olney, north Buckinghamshire, England, around 8 miles (13 km) north-east of Central Milton Keynes. Celebrating the work and lives of two famous local residents: William Cowper (1731–1800), a celebrated 18th-century poet; and John Newton (1725–1807), a slave trader and subsequently a prominent abolitionist, who was curate in the local church. Together, Cowper and Newton wrote the Olney Hymns, including one of the world's most popular hymns, "Amazing Grace".