Masson, David (b. 1832), was born at Aberdeen, and educated at Aberdeen and Manchester. At 19 he became editor of a provincial paper, and afterwards a member of the staff of W. and R, Chambers. In 1847 he came to London, and wrote for the Encyclopaedia Britannica and the English Encyclopaedia. In 1852 he became Professor of English Literature at University College, London, and in 1865 Professor of Rhetoric and English Literature at Edinburgh, a post which he resigned in 1896. From 1859 to 1868 he was editor of Macmillan's Magazine. Among his best-known works are Essays (1856), his Life of Milton, six volumes, his edition of Milton (1874), and his De Quincey (1878), written for the English Men of Letters series.