Henry Matthews, 1st Viscount Llandaff, was an English lawyer and Conservative politician. He is best remembered for his role in the 1885 Sir Charles Dilke divorce trial and for his tenure as Home Secretary from 1886 to 1892.

Sir Charles Wentworth Dilke, 2nd Baronet was an English Liberal and Radical politician. A republican in the early 1870s, he later became a leader in the radical challenge to Whig control of the Liberal Party, making a number of important contributions, including in the legislation increasing democracy in 1883–1885, his support of the growing labour and feminist movements, and his prolific writings on international affairs.