When did the man who Lord Frederick Charles Cavendish was a protege of last serve as Prime Minister?
Lord Frederick Cavendish Lord Frederick Charles Cavendish {'1': ", '2': ", '3': ", '4': "} (30 November 1836 – 6 May 1882) was an English Liberal politician and "protégé" of the Prime Minister, William Ewart Gladstone. Cavendish was appointed Chief Secretary for Ireland in May 1882 but was murdered only hours after his arrival in Dublin, a victim of the politically motivated Phoenix Park murders.
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.