Robert Gascoyne-Cecil, 3rd Marquess of Salisbury
Robert Arthur Talbot Gascoyne-Cecil, 3rd Marquess of Salisbury KG GCVO PC FRS (3 February 1830 - 22 August 1903) was a Prime Minister of the United Kingdom. He was known as Lord Robert Cecil before 1865 and as Viscount Cranborne from 1865 until 1868.