Robert Gascoyne-Cecil, 3rd Marquess of Salisbury prime minister of his lifetime. Attlee immediately replied: "Salisbury". The 6th Marquess of Salisbury commissioned Andrew Roberts to write Salisbury's authorised biography, which was published in 1999. After the Bering Sea Arbitration, Canadian Prime Minister Sir John Sparrow David Thompson said of Lord Salisbury's acceptance of the Arbitration Treaty that it was "one of the worst acts of what I regard as a very stupid and worthless life". The British phrase 'Bob's your uncle' is thought to have derived from Robert Cecil's appointment of his nephew, Arthur Balfour, as Chief Secretary for Ireland. Fort Salisbury (now Harare) was named in
Robert Gascoyne-Cecil, 3rd Marquess of Salisbury Robert Gascoyne-Cecil, 3rd Marquess of Salisbury Robert Arthur Talbot Gascoyne-Cecil, 3rd Marquess of Salisbury, (3 February 183022 August 1903), styled Lord Robert Cecil before 1865 and Viscount Cranborne from June 1865 until April 1868, was a British statesman and Conservative Party politician, serving as Prime Minister three times for a total of over thirteen years. He was the last Prime Minister to head his full administration from the House of Lords. Lord Robert Cecil was first elected to the House of Commons in 1854 and served as Secretary of State for India in Lord Derby's Conservative government from 1866 until