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
Burials and memorials in Westminster Abbey also "insisted" that he be cremated before. His widow however declined and so Hooker's body was buried in the churchyard of St Anne's Church, Kew. The majority of interments at the Abbey are of cremated remains, but some burials still take place – Frances Challen, wife of the Rev Sebastian Charles, Canon of Westminster, was buried alongside her husband in the south choir aisle in 2014. Members of the Percy family have a family vault, "The Northumberland Vault", in St Nicholas's chapel, within the Abbey. The ashes of physicist Stephen Hawking were interred in the Abbey on 15 June 2018,