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 Rule Bill by 419 to 41 in September 1893, but Salisbury stopped them from opposing the Liberal Chancellor's death duties in 1894. In 1894 Salisbury also became president of the British Association of the Advancement of Science, presenting a notable inaugural address on 4 August of that year. The general election of 1895 returned a large Unionist majority. Salisbury's expertise was in foreign affairs. For most of his time as prime minister he served not as First Lord of the Treasury, the traditional position held by the prime minister, but as foreign secretary. In that capacity, he managed Britain's foreign