MARK (1813-1884).-Scholar and biographer, _b._ at Hornby, Yorkshire, _s._ of a clergyman, _ed._ privately and at Oxf., where in 1839 he became Fellow of Lincoln Coll., and acquired a high reputation as a tutor and examiner. At first strongly influenced by Newman and the Tractarian movement, he ultimately abandoned that school. In 1851, failing