When did the man who Lord Frederick Charles Cavendish was a protege of last serve as Prime Minister?
William Ewart Gladstone William Ewart Gladstone, ( ; 29 December 1809 – 19 May 1898) was a British Liberal statesman and earlier Conservative politician. In a career lasting over 60 years, he served as Prime Minister four separate times (1868–74, 1880–85, February–July 1886 and 1892–94), more than any other person, and served as Chancellor of the Exchequer four times. Gladstone was also Britain's oldest Prime Minister; he resigned for the final time when he was 84 years old.
William Compton, 5th Marquess of Northampton William George Spencer Scott Compton, 5th Marquess of Northampton, KG (23 April 1851 – 15 June 1913), known as Lord William Compton from 1877 to 1887 and as Earl Compton from 1887 to 1897, was a British peer and Liberal politician.