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 St George's Chapel, Windsor Castle next to her husband, King George VI, who had died 50 years previously. At the same time, the ashes of the Queen Mother's daughter, Princess Margaret, Countess of Snowdon, who had died on 9 February 2002, were also interred in a private family service. Westminster School and Westminster Abbey Choir School are also in the precincts of the abbey. The Choir School educates and trains the choirboys who sing for services in the Abbey. Westminster Abbey is renowned for its choral tradition, and the repertoire of Anglican church music is heard in daily worship, particularly