Richard Madden (1798-1886) Irishman and British colonial administrator, crusader against slavery and biographer of the United Irishmen, subverted his postings to Jamaica, Cuba, West Africa and Western Australia to champion the civil rights of oppressed peoples. He played a key role in securing the captives' release in the infamous 1839 case of the slave-ship Amistad. A thorn in the side of various colonial elites on three continents, Madden witnessed...