Joseph Chamberlain died on 2nd July 1914, aged 77.
Joseph Chamberlain was a founder MP of the Liberal Unionist party, and had been Secretary of State for the Colonies under Conservative Prime Minister Arthur Balfour, from 1895 to 1903, during the Second Boer War in South Africa. In 1903 he had founded the Tariff Reform League, which campaigned to turn the whole British Empire into a tariff-free union to promote trade between the nations of the Empire. The Tariff Reform League was disbanded on the outbreak of WWI. Joseph was married twice and had two sons, both of whom entered politics: his younger son Neville was Prime Minister from 1937 to 1940.