Westminster Abbey politicians, doctors and scientists such as Isaac Newton, buried on 4 April 1727, Charles Darwin, buried on 26 April 1882, and Stephen Hawking, buried on 15 June 2018. Another was William Wilberforce who led the movement to abolish slavery in the United Kingdom and the Plantations, buried on 3 August 1833. Wilberforce was buried in the north transept, close to his friend, the former Prime Minister, William Pitt. During the early 20th century it became increasingly common to bury cremated remains rather than coffins in the abbey. In 1905 the actor Sir Henry Irving was cremated and his ashes buried
Westminster Abbey the Pyx, in which newly minted coins were presented to ensure they conformed to the required standards. The chapter house and Pyx Chamber at Westminster Abbey are in the guardianship of English Heritage, but under the care and management of the Dean and Chapter of Westminster. The Westminster Abbey Museum was located in the 11th-century vaulted undercroft beneath the former monks' dormitory in Westminster Abbey. This was one of the oldest areas of the abbey, dating back almost to the foundation of the church by Edward the Confessor in 1065. This space had been used as a museum since 1908