Biblical scholar and critic, born at Keig, Aberdeenshire; educated for the Scottish Free Church, became professor of Hebrew in the connection at Aberdeen; was prosecuted for heresy in the matter of the origin of the books of the Old Testament, and finally removed from the chair; became joint-editor of the "Encyclopædia Britannica," and finally professor of Arabic at Cambridge; he was a man of versatile ability, extensive scholarship, keen critical acumen, and he contributed not a little to vindicate the claims of the scholar in regard to the Bible (1846-1894).