Samuel Johnson was an English author. Beginning as a Grub Street journalist, he made lasting contributions to English literature as a poet, essayist, moralist, novelist, literary critic, biographer, editor and lexicographer. Johnson was a devout Anglican and political conservative, and has been described as "arguably the most distinguished man of letters in English history". His early works include the biography The Life of Richard Savage, the poems London and The Vanity of Human Wishes, and the play Irene. After nine years of work, Johnson's Dictionary of the English Language was published in 1755; it had a far-reaching impact on Modern English and has been described as "one of the greatest single achievements of scholarship". His later works included essays, an influential annotated edition of William Shakespeare's plays, and the widely read novel Rasselas. In 1763, he befriended James Boswell, with whom he later travelled to Scotland; Johnson described their travels in A Journey to the Western Islands of Scotland. Towards the end of his life, he produced the massive and influential Lives of the Most Eminent English Poets, a collection of biographies and evaluations of 17th- and 18th-century poets.