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.
Lord Charles Bruce Captain Lord Charles William Brudenell-Bruce PC (18 June 1834 – 16 April 1897), styled Lord Charles Bruce, was a British soldier and Liberal Party politician. He served as Vice-Chamberlain of the Household under William Ewart Gladstone between 1880 and 1885.