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.
David Margesson, 1st Viscount Margesson Henry David Reginald Margesson, 1st Viscount Margesson PC (26 July 1890 – 24 December 1965) was a British Conservative politician, most popularly remembered for his tenure as Government Chief Whip in the 1930s. His reputation was of a stern disciplinarian who was one of the harshest and most effective whips. His sense of the popular mood made him know when to sacrifice unpopular ministers. He protected the appeasement-supporting government as long as he could.