Sir Rowland Hill, KCB, FRS (3 December 1795 – 27 August 1879) was an English teacher, inventor and social reformer. He campaigned for a comprehensive reform of the postal system, based on the concept of Uniform Penny Post and his solution of pre-payment, facilitating the safe, speedy and cheap transfer of letters.
Charles Robert Wynn-Carington, 1st Marquess of Lincolnshire, KG, GCMG, PC, JP, DL (16 May 1843 – 13 June 1928), known as the Lord Carrington from 1868 to 1895, and as the Earl Carrington from 1895 to 1912, was a British Liberal politician and aristocrat.